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38817055188672 = 263208796872143
BaseRepresentation
bin10001101001101110011001…
…10010010010011011000000
312002102212121022120020212120
420310313030302102123000
520041434312112014142
6214320150423324240
711114303546046555
oct1064671462223300
9162385538506776
1038817055188672
1111406247771732
12442b0092b0680
131887581557197
14982a81118a2c
15474ac24aa7ec
hex234dccc926c0

38817055188672 has 56 divisors (see below), whose sum is σ = 102752670629376. Its totient is φ = 12932818445568.

The previous prime is 38817055188649. The next prime is 38817055188773. The reversal of 38817055188672 is 27688155071883.

It is a junction number, because it is equal to n+sod(n) for n = 38817055188597 and 38817055188606.

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, 48035368 + ... + 48836775.

Almost surely, 238817055188672 is an apocalyptic number.

38817055188672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38817055188672 is an abundant number, since it is smaller than the sum of its proper divisors (63935615440704).

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

38817055188672 is a wasteful number, since it uses less digits than its factorization.

38817055188672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96874245 (or 96874235 counting only the distinct ones).

The product of its (nonzero) digits is 180633600, while the sum is 69.

The spelling of 38817055188672 in words is "thirty-eight trillion, eight hundred seventeen billion, fifty-five million, one hundred eighty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 2087 4174 6261 8348 12522 16696 25044 33392 50088 66784 100176 133568 200352 400704 96872143 193744286 290616429 387488572 581232858 774977144 1162465716 1549954288 2324931432 3099908576 4649862864 6199817152 9299725728 18599451456 202172162441 404344324882 606516487323 808688649764 1213032974646 1617377299528 2426065949292 3234754599056 4852131898584 6469509198112 9704263797168 12939018396224 19408527594336 38817055188672