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38021481168 = 2431172010381
BaseRepresentation
bin100011011010010000…
…011100001011010000
310122010210010100220020
4203122100130023100
51110331444344133
625244500143440
72514131154216
oct433220341320
9118123110806
1038021481168
1115141153610
127451397b80
13377c1b9868
141ba9904cb6
15ec7e690b3
hex8da41c2d0

38021481168 has 40 divisors (see below), whose sum is σ = 107151448416. Its totient is φ = 11521660800.

The previous prime is 38021481167. The next prime is 38021481187. The reversal of 38021481168 is 86118412083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38021481167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36004663 + ... + 36005718.

Almost surely, 238021481168 is an apocalyptic number.

It is an amenable number.

38021481168 is an abundant number, since it is smaller than the sum of its proper divisors (69129967248).

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

38021481168 is a wasteful number, since it uses less digits than its factorization.

38021481168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72010403 (or 72010397 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 38021481168 in words is "thirty-eight billion, twenty-one million, four hundred eighty-one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 72010381 144020762 216031143 288041524 432062286 576083048 792114191 864124572 1152166096 1584228382 1728249144 2376342573 3168456764 3456498288 4752685146 6336913528 9505370292 12673827056 19010740584 38021481168