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38127132564 = 2238293832643
BaseRepresentation
bin100011100000100011…
…011101111110010100
310122102010221000100220
4203200203131332110
51111041021220224
625303152434340
72516553164613
oct434043357624
9118363830326
1038127132564
1115195855014
1274808489b0
13379805b791
141bb996787a
15ed2388279
hex8e08ddf94

38127132564 has 24 divisors (see below), whose sum is σ = 89070646560. Its totient is φ = 12693710304.

The previous prime is 38127132529. The next prime is 38127132587. The reversal of 38127132564 is 46523172183.

38127132564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906374 + ... + 1926269.

It is an arithmetic number, because the mean of its divisors is an integer number (3711276940).

Almost surely, 238127132564 is an apocalyptic number.

It is an amenable number.

38127132564 is an abundant number, since it is smaller than the sum of its proper divisors (50943513996).

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

38127132564 is a wasteful number, since it uses less digits than its factorization.

38127132564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833479 (or 3833477 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 38127132564 in words is "thirty-eight billion, one hundred twenty-seven million, one hundred thirty-two thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 829 1658 2487 3316 4974 9948 3832643 7665286 11497929 15330572 22995858 45991716 3177261047 6354522094 9531783141 12709044188 19063566282 38127132564