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45383550431 = 140932209759
BaseRepresentation
bin101010010001000100…
…100000010111011111
311100010212011020100012
4222101010200113133
51220421142103211
632503210553435
73164434546052
oct522104402737
9140125136305
1045383550431
111827991617a
128966a3887b
13438351336b
1422a7590a99
1512a9452d8b
hexa911205df

45383550431 has 4 divisors (see below), whose sum is σ = 45415761600. Its totient is φ = 45351339264.

The previous prime is 45383550427. The next prime is 45383550473. The reversal of 45383550431 is 13405538354.

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

It is a cyclic number.

It is not a de Polignac number, because 45383550431 - 22 = 45383550427 is a prime.

It is a super-2 number, since 2×453835504312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45383553431) 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, 16103471 + ... + 16106288.

It is an arithmetic number, because the mean of its divisors is an integer number (11353940400).

Almost surely, 245383550431 is an apocalyptic number.

45383550431 is a deficient number, since it is larger than the sum of its proper divisors (32211169).

45383550431 is a wasteful number, since it uses less digits than its factorization.

45383550431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32211168.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 45383550431 in words is "forty-five billion, three hundred eighty-three million, five hundred fifty thousand, four hundred thirty-one".

Divisors: 1 1409 32209759 45383550431