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32020322421 = 3291272898029
BaseRepresentation
bin11101110100100011…
…110101100001110101
310001122112212220201110
4131310203311201311
51011034200304141
622413202345233
72212331151453
oct356443654165
9101575786643
1032020322421
111264170118a
12625765b219
133033b06559
14179a8b39d3
15c761a2e16
hex7748f5875

32020322421 has 16 divisors (see below), whose sum is σ = 44513740800. Its totient is φ = 20448485568.

The previous prime is 32020322359. The next prime is 32020322429. The reversal of 32020322421 is 12422302023.

It is not a de Polignac number, because 32020322421 - 26 = 32020322357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020322429) 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, 1437966 + ... + 1460063.

It is an arithmetic number, because the mean of its divisors is an integer number (2782108800).

Almost surely, 232020322421 is an apocalyptic number.

It is an amenable number.

32020322421 is a deficient number, since it is larger than the sum of its proper divisors (12493418379).

32020322421 is a wasteful number, since it uses less digits than its factorization.

32020322421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898188.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 32020322421 its reverse (12422302023), we get a palindrome (44442624444).

The spelling of 32020322421 in words is "thirty-two billion, twenty million, three hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 3 29 87 127 381 3683 11049 2898029 8694087 84042841 252128523 368049683 1104149049 10673440807 32020322421