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45531302251 = 192236189897
BaseRepresentation
bin101010011001111000…
…001000100101101011
311100112011011210201211
4222121320020211223
51221222003133001
632530005453551
73201210453301
oct523170104553
9140464153654
1045531302251
1118345262316
1289a84112b7
1343a8005b86
1422bd052271
1512b73db351
hexa99e0896b

45531302251 has 24 divisors (see below), whose sum is σ = 50965693344. Its totient is φ = 40582650240.

The previous prime is 45531302203. The next prime is 45531302261. The reversal of 45531302251 is 15220313554.

It is not a de Polignac number, because 45531302251 - 211 = 45531300203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45531302261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461535 + ... + 551431.

It is an arithmetic number, because the mean of its divisors is an integer number (2123570556).

Almost surely, 245531302251 is an apocalyptic number.

45531302251 is a deficient number, since it is larger than the sum of its proper divisors (5434391093).

45531302251 is a wasteful number, since it uses less digits than its factorization.

45531302251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90019 (or 90000 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 45531302251 in words is "forty-five billion, five hundred thirty-one million, three hundred two thousand, two hundred fifty-one".

Divisors: 1 19 23 61 361 437 1159 1403 8303 22021 26657 89897 506483 1708043 2067631 5483717 32452817 39284989 104190623 126125491 746414791 1979621837 2396384329 45531302251