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28057227627402 = 23219741467190811
BaseRepresentation
bin1100110000100100101010…
…00101100000101110001010
310200100020121102201121000200
412120102111011200232022
512134142200233034102
6135401151252513030
75624032153604661
oct630222505405612
9120306542647020
1028057227627402
118a380045aa806
12319181891b776
131286a2915bbcc
146cdd970bbdd8
15339c75e7051c
hex198495160b8a

28057227627402 has 48 divisors (see below), whose sum is σ = 61101035547552. Its totient is φ = 9304661892960.

The previous prime is 28057227627397. The next prime is 28057227627413. The reversal of 28057227627402 is 20472672275082.

28057227627402 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 7 + 2 + 2 + 7 + 627 + 4 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146946577 + ... + 147137387.

It is an arithmetic number, because the mean of its divisors is an integer number (1272938240574).

Almost surely, 228057227627402 is an apocalyptic number.

28057227627402 is an abundant number, since it is smaller than the sum of its proper divisors (33043807920150).

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

28057227627402 is a wasteful number, since it uses less digits than its factorization.

28057227627402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232483 (or 232480 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

The spelling of 28057227627402 in words is "twenty-eight trillion, fifty-seven billion, two hundred twenty-seven million, six hundred twenty-seven thousand, four hundred two".

Divisors: 1 2 3 6 9 18 197 394 591 1182 1773 3546 41467 82934 124401 190811 248802 373203 381622 572433 746406 1144866 1717299 3434598 8168999 16337998 24506997 37589767 49013994 73520991 75179534 112769301 147041982 225538602 338307903 676615806 7912359737 15824719474 23737079211 47474158422 71211237633 142422475266 1558734868189 3117469736378 4676204604567 9352409209134 14028613813701 28057227627402