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45208655357 = 429710520981
BaseRepresentation
bin101010000110101001…
…010101010111111101
311022200200001122101212
4222012221111113331
51220041403432412
632434002214205
73160212141635
oct520651252775
9138620048355
1045208655357
111819a11a998
128918354365
134356208c58
14228c2656c5
151298e07222
hexa86a555fd

45208655357 has 4 divisors (see below), whose sum is σ = 45219180636. Its totient is φ = 45198130080.

The previous prime is 45208655251. The next prime is 45208655363. The reversal of 45208655357 is 75355680254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75355680254 = 237677840127.

It can be written as a sum of positive squares in 2 ways, for example, as 37861765561 + 7346889796 = 194581^2 + 85714^2 .

It is a cyclic number.

It is not a de Polignac number, because 45208655357 - 210 = 45208654333 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 (45208657357) 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, 5256194 + ... + 5264787.

It is an arithmetic number, because the mean of its divisors is an integer number (11304795159).

Almost surely, 245208655357 is an apocalyptic number.

It is an amenable number.

45208655357 is a deficient number, since it is larger than the sum of its proper divisors (10525279).

45208655357 is a wasteful number, since it uses less digits than its factorization.

45208655357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525278.

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 45208655357 in words is "forty-five billion, two hundred eight million, six hundred fifty-five thousand, three hundred fifty-seven".

Divisors: 1 4297 10520981 45208655357