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56854597247 = 722719426737
BaseRepresentation
bin110100111100110011…
…000100111001111111
312102202021221210022222
4310330303010321333
51412414234102442
642041343155555
74051624050200
oct647463047177
9172667853288
1056854597247
1122125a35458
12b0285a5bbb
135490bc6426
142a74c3b5a7
15172b53b8d2
hexd3ccc4e7f

56854597247 has 12 divisors (see below), whose sum is σ = 66161459520. Its totient is φ = 48714474816.

The previous prime is 56854597231. The next prime is 56854597249. The reversal of 56854597247 is 74279545865.

It is not a de Polignac number, because 56854597247 - 24 = 56854597231 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56854597247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56854597249) 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, 80138 + ... + 346599.

It is an arithmetic number, because the mean of its divisors is an integer number (5513454960).

Almost surely, 256854597247 is an apocalyptic number.

56854597247 is a deficient number, since it is larger than the sum of its proper divisors (9306862273).

56854597247 is a wasteful number, since it uses less digits than its factorization.

56854597247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429470 (or 429463 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 62.

The spelling of 56854597247 in words is "fifty-six billion, eight hundred fifty-four million, five hundred ninety-seven thousand, two hundred forty-seven".

Divisors: 1 7 49 2719 19033 133231 426737 2987159 20910113 1160297903 8122085321 56854597247