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42872574956 = 2218719572581
BaseRepresentation
bin100111111011011001…
…111001001111101100
311002122212022110112112
4213323121321033230
51200300334344311
631410112023152
73045264605621
oct477331711754
9132585273475
1042872574956
11172004a6132
128385b31ab8
134073240363
142109cc4348
1511adcaa28b
hex9fb6793ec

42872574956 has 12 divisors (see below), whose sum is σ = 75031145280. Its totient is φ = 21435104880.

The previous prime is 42872574929. The next prime is 42872574971. The reversal of 42872574956 is 65947527824.

It is a junction number, because it is equal to n+sod(n) for n = 42872574895 and 42872574904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211415 + ... + 361166.

It is an arithmetic number, because the mean of its divisors is an integer number (6252595440).

Almost surely, 242872574956 is an apocalyptic number.

It is an amenable number.

42872574956 is a deficient number, since it is larger than the sum of its proper divisors (32158570324).

42872574956 is a wasteful number, since it uses less digits than its factorization.

42872574956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591304 (or 591302 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 59.

The spelling of 42872574956 in words is "forty-two billion, eight hundred seventy-two million, five hundred seventy-four thousand, nine hundred fifty-six".

Divisors: 1 2 4 18719 37438 74876 572581 1145162 2290324 10718143739 21436287478 42872574956