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38286995676 = 2233190582973
BaseRepresentation
bin100011101010000101…
…010011000011011100
310122211021201220022220
4203222011103003130
51111402432330201
625331103105340
72523534044046
oct435205230334
9118737656286
1038286995676
1115268013596
1275062a2250
1337c2201b37
141bd2c9ca96
15ee1415036
hex8ea1530dc

38286995676 has 12 divisors (see below), whose sum is σ = 89336323272. Its totient is φ = 12762331888.

The previous prime is 38286995657. The next prime is 38286995737. The reversal of 38286995676 is 67659968283.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 38286995676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595291475 + ... + 1595291498.

It is an arithmetic number, because the mean of its divisors is an integer number (7444693606).

Almost surely, 238286995676 is an apocalyptic number.

It is an amenable number.

38286995676 is an abundant number, since it is smaller than the sum of its proper divisors (51049327596).

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

38286995676 is a wasteful number, since it uses less digits than its factorization.

38286995676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190582980 (or 3190582978 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 69.

The spelling of 38286995676 in words is "thirty-eight billion, two hundred eighty-six million, nine hundred ninety-five thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 3190582973 6381165946 9571748919 12762331892 19143497838 38286995676