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45705471517 = 55218278477
BaseRepresentation
bin101010100100010000…
…100010011000011101
311100222021220112001101
4222210100202120131
51222101100042032
632555150513101
73205424045356
oct524420423035
9140867815041
1045705471517
1118424602262
128a36805791
134405117b04
1422d822cd2d
1512c7841de7
hexaa442261d

45705471517 has 4 divisors (see below), whose sum is σ = 45713755516. Its totient is φ = 45697187520.

The previous prime is 45705471503. The next prime is 45705471529. The reversal of 45705471517 is 71517450754.

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 12342987801 + 33362483716 = 111099^2 + 182654^2 .

It is a cyclic number.

It is not a de Polignac number, because 45705471517 - 27 = 45705471389 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 (45705474517) 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, 4133718 + ... + 4144759.

It is an arithmetic number, because the mean of its divisors is an integer number (11428438879).

Almost surely, 245705471517 is an apocalyptic number.

It is an amenable number.

45705471517 is a deficient number, since it is larger than the sum of its proper divisors (8283999).

45705471517 is an equidigital number, since it uses as much as digits as its factorization.

45705471517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283998.

The product of its (nonzero) digits is 686000, while the sum is 46.

The spelling of 45705471517 in words is "forty-five billion, seven hundred five million, four hundred seventy-one thousand, five hundred seventeen".

Divisors: 1 5521 8278477 45705471517