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806368080400 = 24525927612
BaseRepresentation
bin10111011101111110100…
…10000111001000010000
32212002101011210202001021
423232333102013020100
5101202420212033100
61414235042245224
7112154360410051
oct13567722071020
92762334722037
10806368080400
11290a84839863
12110343056814
135b06a38c09c
142b057dca728
1515e973d5a1a
hexbbbf487210

806368080400 has 135 divisors (see below), whose sum is σ = 1973284440583. Its totient is φ = 316663667200.

The previous prime is 806368080379. The next prime is 806368080431. The reversal of 806368080400 is 4080863608.

The square root of 806368080400 is 897980.

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

806368080400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 475862669584 + 330505410816 = 689828^2 + 574896^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1059616020 + ... + 1059616780.

Almost surely, 2806368080400 is an apocalyptic number.

806368080400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

806368080400 is the 897980-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806368080400

806368080400 is an abundant number, since it is smaller than the sum of its proper divisors (1166916360183).

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

806368080400 is an frugal number, since it uses more digits than its factorization.

806368080400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 806368080400 in words is "eight hundred six billion, three hundred sixty-eight million, eighty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 59 80 100 118 200 236 295 400 472 590 761 944 1180 1475 1522 2360 2950 3044 3481 3805 4720 5900 6088 6962 7610 11800 12176 13924 15220 17405 19025 23600 27848 30440 34810 38050 44899 55696 60880 69620 76100 87025 89798 139240 152200 174050 179596 224495 278480 304400 348100 359192 448990 579121 696200 718384 897980 1122475 1158242 1392400 1795960 2244950 2316484 2649041 2895605 3591920 4489900 4632968 5298082 5791210 8979800 9265936 10596164 11582420 13245205 14478025 17959600 21192328 23164840 26490410 28956050 34168139 42384656 46329680 52980820 57912100 66226025 68336278 105961640 115824200 132452050 136672556 170840695 211923280 231648400 264904100 273345112 341681390 529808200 546690224 683362780 854203475 1059616400 1366725560 1708406950 2015920201 2733451120 3416813900 4031840402 6833627800 8063680804 10079601005 13667255600 16127361608 20159202010 32254723216 40318404020 50398005025 80636808040 100796010050 161273616080 201592020100 403184040200 806368080400