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38232021865857 = 3113880011281563
BaseRepresentation
bin10001011000101100101100…
…00101010001010110000001
312000100221112100011011202120
420230112112011101112001
520002343140044201412
6213151314241034453
711024113066623111
oct1054262605212601
9160327470134676
1038232021865857
1111200122700236
124355756925a29
1318443585794a1
149626228a3041
1546478156db8c
hex22c596151581

38232021865857 has 16 divisors (see below), whose sum is σ = 51427768978368. Its totient is φ = 25262150144000.

The previous prime is 38232021865841. The next prime is 38232021865871. The reversal of 38232021865857 is 75856812023283.

It is a cyclic number.

It is not a de Polignac number, because 38232021865857 - 24 = 38232021865841 is a prime.

It is a super-3 number, since 3×382320218658573 (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38232021865857.

It is not an unprimeable number, because it can be changed into a prime (38232021865157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29191558 + ... + 30473120.

It is an arithmetic number, because the mean of its divisors is an integer number (3214235561148).

Almost surely, 238232021865857 is an apocalyptic number.

It is an amenable number.

38232021865857 is a deficient number, since it is larger than the sum of its proper divisors (13195747112511).

38232021865857 is a wasteful number, since it uses less digits than its factorization.

38232021865857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369680.

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 38232021865857 in words is "thirty-eight trillion, two hundred thirty-two billion, twenty-one million, eight hundred sixty-five thousand, eight hundred fifty-seven".

Divisors: 1 3 113 339 88001 264003 1281563 3844689 9944113 29832339 144816619 434449857 112778825563 338336476689 12744007288619 38232021865857