Search a number
-
+
52745493120 = 273531886181
BaseRepresentation
bin110001000111111000…
…000101101010000000
312001010220221200011020
4301013320011222000
51331010321234440
640121514545440
73545040202605
oct610770055200
9161126850136
1052745493120
1120407501731
12a280438280
134c877c4378
1427a52066ac
15158a9143d0
hexc47e05a80

52745493120 has 128 divisors (see below), whose sum is σ = 173549882880. Its totient is φ = 13611724800.

The previous prime is 52745493083. The next prime is 52745493121. The reversal of 52745493120 is 2139454725.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (52745493121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383571 + ... + 502610.

It is an arithmetic number, because the mean of its divisors is an integer number (1355858460).

Almost surely, 252745493120 is an apocalyptic number.

It is an amenable number.

52745493120 is an abundant number, since it is smaller than the sum of its proper divisors (120804389760).

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

52745493120 is a wasteful number, since it uses less digits than its factorization.

52745493120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886234 (or 886222 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 52745493120 in words is "fifty-two billion, seven hundred forty-five million, four hundred ninety-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 310 320 372 384 465 480 496 620 640 744 930 960 992 1240 1488 1860 1920 1984 2480 2976 3720 3968 4960 5952 7440 9920 11904 14880 19840 29760 59520 886181 1772362 2658543 3544724 4430905 5317086 7089448 8861810 10634172 13292715 14178896 17723620 21268344 26585430 27471611 28357792 35447240 42536688 53170860 54943222 56715584 70894480 82414833 85073376 106341720 109886444 113431168 137358055 141788960 164829666 170146752 212683440 219772888 274716110 283577920 329659332 340293504 412074165 425366880 439545776 549432220 567155840 659318664 824148330 850733760 879091552 1098864440 1318637328 1648296660 1701467520 1758183104 2197728880 2637274656 3296593320 3516366208 4395457760 5274549312 6593186640 8790915520 10549098624 13186373280 17581831040 26372746560 52745493120