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28556400192 = 2631391070009
BaseRepresentation
bin11010100110000110…
…000001011001000000
32201201010220102201120
4122212012001121000
5431440414301232
621041342432240
72030440253025
oct324606013100
981633812646
1028556400192
1111124386141
12564b592680
13290128c428
14154c82754c
15b2202092c
hex6a6181640

28556400192 has 56 divisors (see below), whose sum is σ = 76099111200. Its totient is φ = 9450310656.

The previous prime is 28556400179. The next prime is 28556400193. The reversal of 28556400192 is 29100465582.

It is not an unprimeable number, because it can be changed into a prime (28556400193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508317 + ... + 561692.

It is an arithmetic number, because the mean of its divisors is an integer number (1358912700).

Almost surely, 228556400192 is an apocalyptic number.

It is an amenable number.

28556400192 is an abundant number, since it is smaller than the sum of its proper divisors (47542711008).

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

28556400192 is a wasteful number, since it uses less digits than its factorization.

28556400192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070163 (or 1070153 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 28556400192 in words is "twenty-eight billion, five hundred fifty-six million, four hundred thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 139 192 278 417 556 834 1112 1668 2224 3336 4448 6672 8896 13344 26688 1070009 2140018 3210027 4280036 6420054 8560072 12840108 17120144 25680216 34240288 51360432 68480576 102720864 148731251 205441728 297462502 446193753 594925004 892387506 1189850008 1784775012 2379700016 3569550024 4759400032 7139100048 9518800064 14278200096 28556400192