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38420876901 = 3116119086377
BaseRepresentation
bin100011110010000100…
…000000111001100101
310200011121122202211210
4203302010000321211
51112141221030101
625352244422033
72530051031241
oct436204007145
9120147582753
1038420876901
1115326646530
1275430a7919
133813b790b4
141c0698d421
15eed05d7d6
hex8f2100e65

38420876901 has 16 divisors (see below), whose sum is σ = 56801060928. Its totient is φ = 22903651200.

The previous prime is 38420876891. The next prime is 38420876917. The reversal of 38420876901 is 10967802483.

It is not a de Polignac number, because 38420876901 - 217 = 38420745829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38420876941) 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, 9541176 + ... + 9545201.

It is an arithmetic number, because the mean of its divisors is an integer number (3550066308).

Almost surely, 238420876901 is an apocalyptic number.

It is an amenable number.

38420876901 is a deficient number, since it is larger than the sum of its proper divisors (18380184027).

38420876901 is a wasteful number, since it uses less digits than its factorization.

38420876901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19086452.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 38420876901 in words is "thirty-eight billion, four hundred twenty million, eight hundred seventy-six thousand, nine hundred one".

Divisors: 1 3 11 33 61 183 671 2013 19086377 57259131 209950147 629850441 1164268997 3492806991 12806958967 38420876901