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32331140420 = 2251616557021
BaseRepresentation
bin11110000111000101…
…100000110101000100
310002110012202002212012
4132013011200311010
51012203232443140
622504104313352
72223124105415
oct360705406504
9102405662765
1032331140420
11127910a4367
126323772858
133083321327
1417c9ca180c
15c935ec265
hex787160d44

32331140420 has 12 divisors (see below), whose sum is σ = 67895394924. Its totient is φ = 12932456160.

The previous prime is 32331140407. The next prime is 32331140473. The reversal of 32331140420 is 2404113323.

It can be written as a sum of positive squares in 2 ways, for example, as 4104452356 + 28226688064 = 64066^2 + 168008^2 .

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, 808278491 + ... + 808278530.

It is an arithmetic number, because the mean of its divisors is an integer number (5657949577).

Almost surely, 232331140420 is an apocalyptic number.

It is an amenable number.

32331140420 is an abundant number, since it is smaller than the sum of its proper divisors (35564254504).

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

32331140420 is a wasteful number, since it uses less digits than its factorization.

32331140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616557030 (or 1616557028 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32331140420 its reverse (2404113323), we get a palindrome (34735253743).

The spelling of 32331140420 in words is "thirty-two billion, three hundred thirty-one million, one hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1616557021 3233114042 6466228084 8082785105 16165570210 32331140420