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37685944452 = 223132310503329
BaseRepresentation
bin100011000110010000…
…011110000010000100
310121021101202100001110
4203012100132002010
51104140100210302
625151312325020
72502615146112
oct430620360204
9117241670043
1037685944452
1114a89807942
127378b43770
133727828920
141b77120ab2
15ea878ab6c
hex8c641e084

37685944452 has 48 divisors (see below), whose sum is σ = 98815328640. Its totient is φ = 11091514368.

The previous prime is 37685944433. The next prime is 37685944469. The reversal of 37685944452 is 25444958673.

It is a junction number, because it is equal to n+sod(n) for n = 37685944392 and 37685944401.

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, 5248077 + ... + 5255252.

It is an arithmetic number, because the mean of its divisors is an integer number (2058652680).

Almost surely, 237685944452 is an apocalyptic number.

It is an amenable number.

37685944452 is an abundant number, since it is smaller than the sum of its proper divisors (61129384188).

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

37685944452 is a wasteful number, since it uses less digits than its factorization.

37685944452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503372 (or 10503370 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 57.

The spelling of 37685944452 in words is "thirty-seven billion, six hundred eighty-five million, nine hundred forty-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1794 3588 10503329 21006658 31509987 42013316 63019974 126039948 136543277 241576567 273086554 409629831 483153134 546173108 724729701 819259662 966306268 1449459402 1638519324 2898918804 3140495371 6280990742 9421486113 12561981484 18842972226 37685944452