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424723047858 = 234512032
BaseRepresentation
bin1100010111000110111…
…01110110010110110010
31111121021200100022220000
412023203131312112302
523424313100012413
6523040504530430
742454014224514
oct6134335662662
91447250308800
10424723047858
111541400a715a
126a392a80a16
1331088686545
14167b1855bb4
15b0ac111073
hex62e37765b2

424723047858 has 30 divisors (see below), whose sum is σ = 951712823919. Its totient is φ = 141571584324.

The previous prime is 424723047823. The next prime is 424723047877. The reversal of 424723047858 is 858740327424.

424723047858 is a `hidden beast` number, since 4 + 24 + 72 + 30 + 478 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 212361523929 + 212361523929 = 460827^2 + 460827^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=460827.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8269285 + ... + 8320487.

Almost surely, 2424723047858 is an apocalyptic number.

424723047858 is an abundant number, since it is smaller than the sum of its proper divisors (526989776061).

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

424723047858 is an frugal number, since it uses more digits than its factorization.

424723047858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102420 (or 51208 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 54.

The spelling of 424723047858 in words is "four hundred twenty-four billion, seven hundred twenty-three million, forty-seven thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 51203 102406 153609 307218 460827 921654 1382481 2764962 4147443 8294886 2621747209 5243494418 7865241627 15730483254 23595724881 47191449762 70787174643 141574349286 212361523929 424723047858