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38408980124 = 2217748175503
BaseRepresentation
bin100011110001010110…
…101000011010011100
310200010210021100112102
4203301112220122130
51112130144330444
625351141424232
72526544641614
oct436126503234
9120123240472
1038408980124
111531a960289
12753b10b078
133811572098
141c05173a44
15eebead84e
hex8f15a869c

38408980124 has 24 divisors (see below), whose sum is σ = 71180036928. Its totient is φ = 18072158720.

The previous prime is 38408980123. The next prime is 38408980147. The reversal of 38408980124 is 42108980483.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38408980123) 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, 470957 + ... + 546459.

It is an arithmetic number, because the mean of its divisors is an integer number (2965834872).

Almost surely, 238408980124 is an apocalyptic number.

38408980124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38408980124 is a deficient number, since it is larger than the sum of its proper divisors (32771056804).

38408980124 is a wasteful number, since it uses less digits than its factorization.

38408980124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83005 (or 83003 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 38408980124 in words is "thirty-eight billion, four hundred eight million, nine hundred eighty thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 7481 14962 29924 75503 127177 151006 254354 302012 508708 1283551 2567102 5134204 564837943 1129675886 2259351772 9602245031 19204490062 38408980124