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50879974320400 = 245283242972
BaseRepresentation
bin10111001000110011010101…
…10010111010100100010000
320200011002002220002102100011
423210121222302322210100
523132104141411223100
6300113534301004304
713500646123632121
oct1344315262724420
9220132086072304
1050879974320400
111523709207a455
125858a68553694
132250c653b2b14
14c7c865142048
155d378904bbba
hex2e466acba910

50879974320400 has 135 divisors (see below), whose sum is σ = 123758444237871. Its totient is φ = 20102105771520.

The previous prime is 50879974320353. The next prime is 50879974320403. The reversal of 50879974320400 is 402347997805.

The square root of 50879974320400 is 7133020.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 571481569296 + 50308492751104 = 755964^2 + 7092848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50879974320403) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11840811052 + ... + 11840815348.

Almost surely, 250879974320400 is an apocalyptic number.

50879974320400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50879974320400 is the 7133020-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50879974320400

50879974320400 is an abundant number, since it is smaller than the sum of its proper divisors (72878469917471).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50879974320400 is an frugal number, since it uses more digits than its factorization.

50879974320400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 50879974320400 in words is "fifty trillion, eight hundred seventy-nine billion, nine hundred seventy-four million, three hundred twenty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 166 200 332 400 415 664 830 1328 1660 2075 3320 4150 4297 6640 6889 8300 8594 13778 16600 17188 21485 27556 33200 34376 34445 42970 55112 68752 68890 85940 107425 110224 137780 171880 172225 214850 275560 343760 344450 356651 429700 551120 688900 713302 859400 1377800 1426604 1718800 1783255 2755600 2853208 3566510 5706416 7133020 8916275 14266040 17832550 18464209 28532080 29602033 35665100 36928418 59204066 71330200 73856836 92321045 118408132 142660400 147713672 148010165 184642090 236816264 295427344 296020330 369284180 461605225 473632528 592040660 738568360 740050825 923210450 1184081320 1477136720 1480101650 1532529347 1846420900 2368162640 2960203300 3065058694 3692841800 5920406600 6130117388 7385683600 7662646735 11840813200 12260234776 15325293470 24520469552 30650586940 38313233675 61301173880 76626467350 122602347760 127199935801 153252934700 254399871602 306505869400 508799743204 613011738800 635999679005 1017599486408 1271999358010 2035198972816 2543998716020 3179998395025 5087997432040 6359996790050 10175994864080 12719993580100 25439987160200 50879974320400