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40737212672 = 281312240749
BaseRepresentation
bin100101111100001000…
…001000100100000000
310220011001020211011112
4211330020020210000
51131412211301142
630414151502452
72641335410612
oct457410104400
9126131224145
1040737212672
1116305104912
127a8a987a28
133ac2a20890
141d86470db2
1510d65aa382
hex97c208900

40737212672 has 36 divisors (see below), whose sum is σ = 87570325500. Its totient is φ = 18801788928.

The previous prime is 40737212669. The next prime is 40737212701. The reversal of 40737212672 is 27621273704.

It can be written as a sum of positive squares in 2 ways, for example, as 6739753216 + 33997459456 = 82096^2 + 184384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6117047 + ... + 6123702.

Almost surely, 240737212672 is an apocalyptic number.

It is an amenable number.

40737212672 is an abundant number, since it is smaller than the sum of its proper divisors (46833112828).

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

40737212672 is a wasteful number, since it uses less digits than its factorization.

40737212672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12240778 (or 12240764 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 40737212672 in words is "forty billion, seven hundred thirty-seven million, two hundred twelve thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 12240749 24481498 48962996 97925992 159129737 195851984 318259474 391703968 636518948 783407936 1273037896 1566815872 2546075792 3133631744 5092151584 10184303168 20368606336 40737212672