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38317241380 = 22511174169279
BaseRepresentation
bin100011101011111000…
…101011010000100100
310122220101122112122011
4203223320223100210
51111433203211010
625334103244004
72524352114665
oct435370532044
9118811575564
1038317241380
11152830a1640
127514449604
1337c85618c2
141bd6cd336c
15ee3ddba8a
hex8ebe2b424

38317241380 has 24 divisors (see below), whose sum is σ = 87781317120. Its totient is φ = 13933542240.

The previous prime is 38317241323. The next prime is 38317241387. The reversal of 38317241380 is 8314271383.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38317241387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87084420 + ... + 87084859.

It is an arithmetic number, because the mean of its divisors is an integer number (3657554880).

Almost surely, 238317241380 is an apocalyptic number.

It is an amenable number.

38317241380 is an abundant number, since it is smaller than the sum of its proper divisors (49464075740).

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

38317241380 is a wasteful number, since it uses less digits than its factorization.

38317241380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174169299 (or 174169297 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 38317241380 in words is "thirty-eight billion, three hundred seventeen million, two hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 174169279 348338558 696677116 870846395 1741692790 1915862069 3483385580 3831724138 7663448276 9579310345 19158620690 38317241380