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38235875491 = 1126126319697
BaseRepresentation
bin100011100111000010…
…010010100010100011
310122200201112201121201
4203213002102202203
51111301341003431
625322035302031
72522343402442
oct434702224243
9118621481551
1038235875491
1115241178200
1274b114a917
1337b47438c8
141bca192d59
15edbbb8461
hex8e70928a3

38235875491 has 24 divisors (see below), whose sum is σ = 42881442912. Its totient is φ = 34058323200.

The previous prime is 38235875467. The next prime is 38235875527. The reversal of 38235875491 is 19457853283.

It is not a de Polignac number, because 38235875491 - 29 = 38235874979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38235875401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1931355 + ... + 1951051.

It is an arithmetic number, because the mean of its divisors is an integer number (1786726788).

Almost surely, 238235875491 is an apocalyptic number.

38235875491 is a deficient number, since it is larger than the sum of its proper divisors (4645567421).

38235875491 is a wasteful number, since it uses less digits than its factorization.

38235875491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043 (or 20032 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 38235875491 in words is "thirty-eight billion, two hundred thirty-five million, eight hundred seventy-five thousand, four hundred ninety-one".

Divisors: 1 11 61 121 263 671 2893 7381 16043 19697 31823 176473 216667 1201517 1941203 2383337 5180311 13216687 56983421 145383557 315998971 626817631 3475988681 38235875491