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472314370638 = 23118386220221
BaseRepresentation
bin1101101111110000010…
…00010101101001001110
31200011010101211000112110
412313320020111221032
530214244434330023
61000551144044450
746060250623635
oct6677010255116
91604111730473
10472314370638
11172342170380
1277655163726
13357013bcb76
1418c0830851c
15c4452b8a93
hex6df8215a4e

472314370638 has 32 divisors (see below), whose sum is σ = 1042919805312. Its totient is φ = 141401160800.

The previous prime is 472314370603. The next prime is 472314370699. The reversal of 472314370638 is 836073413274.

It is a happy number.

It is a super-2 number, since 2×4723143706382 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43104633 + ... + 43115588.

It is an arithmetic number, because the mean of its divisors is an integer number (32591243916).

Almost surely, 2472314370638 is an apocalyptic number.

472314370638 is an abundant number, since it is smaller than the sum of its proper divisors (570605434674).

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

472314370638 is a wasteful number, since it uses less digits than its factorization.

472314370638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86220320.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 472314370638 in words is "four hundred seventy-two billion, three hundred fourteen million, three hundred seventy thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 83 166 249 498 913 1826 2739 5478 86220221 172440442 258660663 517321326 948422431 1896844862 2845267293 5690534586 7156278343 14312556686 21468835029 42937670058 78719061773 157438123546 236157185319 472314370638