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45261760881 = 3231394719191
BaseRepresentation
bin101010001001110011…
…111010100101110001
311022211100222200111010
4222021303322211301
51220144002322011
632443140341133
73161425422351
oct521163724561
9138740880433
1045261760881
11182170a1957
1289320a47a9
134364210a3c
14229532ab61
15129d8e71a6
hexa89cfa971

45261760881 has 16 divisors (see below), whose sum is σ = 63425940480. Its totient is φ = 28654921680.

The previous prime is 45261760861. The next prime is 45261760889. The reversal of 45261760881 is 18806716254.

It is not a de Polignac number, because 45261760881 - 214 = 45261744497 is a prime.

It is a super-2 number, since 2×452617608812 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45261760881.

It is not an unprimeable number, because it can be changed into a prime (45261760889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350005 + ... + 2369186.

It is an arithmetic number, because the mean of its divisors is an integer number (3964121280).

Almost surely, 245261760881 is an apocalyptic number.

It is an amenable number.

45261760881 is a deficient number, since it is larger than the sum of its proper divisors (18164179599).

45261760881 is a wasteful number, since it uses less digits than its factorization.

45261760881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719356.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 45261760881 in words is "forty-five billion, two hundred sixty-one million, seven hundred sixty thousand, eight hundred eighty-one".

Divisors: 1 3 23 69 139 417 3197 9591 4719191 14157573 108541393 325624179 655967549 1967902647 15087253627 45261760881