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37681477068 = 2233140123089
BaseRepresentation
bin100011000101111111…
…011011010111001100
310121021002100100221210
4203011333123113030
51104132424231233
625151032454420
72502532161504
oct430577332714
9117232310853
1037681477068
1114a87236494
12737754a410
1337269233c1
141b766baa04
15ea81a7163
hex8c5fdb5cc

37681477068 has 12 divisors (see below), whose sum is σ = 87923446520. Its totient is φ = 12560492352.

The previous prime is 37681477039. The next prime is 37681477069. The reversal of 37681477068 is 86077418673.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 37681476999 and 37681477017.

It is not an unprimeable number, because it can be changed into a prime (37681477069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570061533 + ... + 1570061556.

Almost surely, 237681477068 is an apocalyptic number.

It is an amenable number.

37681477068 is an abundant number, since it is smaller than the sum of its proper divisors (50241969452).

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

37681477068 is a wasteful number, since it uses less digits than its factorization.

37681477068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140123096 (or 3140123094 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 37681477068 in words is "thirty-seven billion, six hundred eighty-one million, four hundred seventy-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 3140123089 6280246178 9420369267 12560492356 18840738534 37681477068