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32050155421 = 213714997733
BaseRepresentation
bin11101110110010101…
…101000111110011101
310001201122000120220101
4131312111220332131
51011114314433141
622420150021101
72213142553234
oct356625507635
9101648016811
1032050155421
1112657528159
126265647791
13303a05050b
1417a083bb1b
15c78ae7531
hex776568f9d

32050155421 has 4 divisors (see below), whose sum is σ = 32065155292. Its totient is φ = 32035155552.

The previous prime is 32050155413. The next prime is 32050155439. The reversal of 32050155421 is 12455105023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16670683225 + 15379472196 = 129115^2 + 124014^2 .

It is a cyclic number.

It is not a de Polignac number, because 32050155421 - 23 = 32050155413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32050155421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32050125421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7496730 + ... + 7501003.

It is an arithmetic number, because the mean of its divisors is an integer number (8016288823).

Almost surely, 232050155421 is an apocalyptic number.

It is an amenable number.

32050155421 is a deficient number, since it is larger than the sum of its proper divisors (14999871).

32050155421 is a wasteful number, since it uses less digits than its factorization.

32050155421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14999870.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 32050155421 in words is "thirty-two billion, fifty million, one hundred fifty-five thousand, four hundred twenty-one".

Divisors: 1 2137 14997733 32050155421