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431738718054 = 2372383212
BaseRepresentation
bin1100100100001011010…
…00100000011101100110
31112021101121120022010220
412102011220200131212
524033200102434204
6530201003025210
743122613360500
oct6220550403546
91467347508126
10431738718054
11157110283aa6
126b81050b206
1331935cb7b97
1416c794d0d70
15b36cec31d9
hex6485a20766

431738718054 has 36 divisors (see below), whose sum is σ = 1004479556292. Its totient is φ = 123350700480.

The previous prime is 431738718023. The next prime is 431738718091. The reversal of 431738718054 is 450817837134.

It is a super-2 number, since 2×4317387180542 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431738717988 and 431738718006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11247214 + ... + 11285534.

It is an arithmetic number, because the mean of its divisors is an integer number (27902209897).

Almost surely, 2431738718054 is an apocalyptic number.

431738718054 is an abundant number, since it is smaller than the sum of its proper divisors (572740838238).

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

431738718054 is an frugal number, since it uses more digits than its factorization.

431738718054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76661 (or 38333 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 431738718054 in words is "four hundred thirty-one billion, seven hundred thirty-eight million, seven hundred eighteen thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 38321 76642 114963 229926 268247 536494 804741 1609482 1877729 3755458 5633187 11266374 1468499041 2936998082 4405497123 8810994246 10279493287 20558986574 30838479861 61676959722 71956453009 143912906018 215869359027 431738718054