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50948740512 = 25321710406197
BaseRepresentation
bin101111011100110010…
…000001010110100000
311212111201001011221100
4233130302001112200
51313320334144022
635223332154400
73452362102035
oct573462012640
9155451034840
1050948740512
111a67526591a
129a5a768a00
134a5c4a0447
14267473738c
1514d2ced1ac
hexbdcc815a0

50948740512 has 72 divisors (see below), whose sum is σ = 153408170916. Its totient is φ = 15983917056.

The previous prime is 50948740511. The next prime is 50948740537. The reversal of 50948740512 is 21504784905.

50948740512 is a `hidden beast` number, since 5 + 0 + 94 + 8 + 7 + 40 + 512 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50824997136 + 123743376 = 225444^2 + 11124^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×509487405122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50948740511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5198203 + ... + 5207994.

Almost surely, 250948740512 is an apocalyptic number.

It is an amenable number.

50948740512 is an abundant number, since it is smaller than the sum of its proper divisors (102459430404).

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

50948740512 is a wasteful number, since it uses less digits than its factorization.

50948740512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406230 (or 10406219 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 50948740512 in words is "fifty billion, nine hundred forty-eight million, seven hundred forty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 10406197 20812394 31218591 41624788 62437182 83249576 93655773 124874364 166499152 176905349 187311546 249748728 332998304 353810698 374623092 499497456 530716047 707621396 749246184 998994912 1061432094 1415242792 1498492368 1592148141 2122864188 2830485584 2996984736 3184296282 4245728376 5660971168 6368592564 8491456752 12737185128 16982913504 25474370256 50948740512