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232205240055421 = 317490491614691
BaseRepresentation
bin110100110011000001111110…
…110110010011011001111101
31010110011121022102112202012201
4310303001332312103121331
5220413422312423233141
62141505340432231501
766624163213136443
oct6463017666233175
91113147272482181
10232205240055421
1167a957644845a6
1222062b2109b591
139c74b24a80369
14414ab17850b93
151bca2d033e031
hexd3307ed9367d

232205240055421 has 4 divisors (see below), whose sum is σ = 239695731670144. Its totient is φ = 224714748440700.

The previous prime is 232205240055367. The next prime is 232205240055443. The reversal of 232205240055421 is 124550042502232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232205240055421 - 213 = 232205240047229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232205240055461) 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, 3745245807315 + ... + 3745245807376.

It is an arithmetic number, because the mean of its divisors is an integer number (59923932917536).

Almost surely, 2232205240055421 is an apocalyptic number.

It is an amenable number.

232205240055421 is a deficient number, since it is larger than the sum of its proper divisors (7490491614723).

232205240055421 is an equidigital number, since it uses as much as digits as its factorization.

232205240055421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490491614722.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 232205240055421 its reverse (124550042502232), we get a palindrome (356755282557653).

The spelling of 232205240055421 in words is "two hundred thirty-two trillion, two hundred five billion, two hundred forty million, fifty-five thousand, four hundred twenty-one".

Divisors: 1 31 7490491614691 232205240055421