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38713499870832 = 243229167285119471
BaseRepresentation
bin10001100110101101100000…
…11010000110011001110000
312002001222022100222001102100
420303112300122012121300
520033240221431331312
6214200423013420400
711103646421265123
oct1063266032063160
9162058270861370
1038713499870832
1111376337466726
124412b2893a700
13187a88a2b0397
1497ba59c1a3ba
154720610885dc
hex2335b0686670

38713499870832 has 240 divisors, whose sum is σ = 112796510561280. Its totient is φ = 12379929408000.

The previous prime is 38713499870797. The next prime is 38713499870863. The reversal of 38713499870832 is 23807899431783.

38713499870832 is a `hidden beast` number, since 38 + 7 + 1 + 3 + 499 + 8 + 70 + 8 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1988254857 + ... + 1988274327.

It is an arithmetic number, because the mean of its divisors is an integer number (469985460672).

Almost surely, 238713499870832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38713499870832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56398255280640).

38713499870832 is an abundant number, since it is smaller than the sum of its proper divisors (74083010690448).

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

38713499870832 is a wasteful number, since it uses less digits than its factorization.

38713499870832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22532 (or 22523 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 38713499870832 in words is "thirty-eight trillion, seven hundred thirteen billion, four hundred ninety-nine million, eight hundred seventy thousand, eight hundred thirty-two".