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45008066691 = 337238137919
BaseRepresentation
bin101001111010101100…
…001001100010000011
311022011200121200111000
4221322230021202003
51214134031113231
632402035023043
73152225153220
oct517254114203
9138150550430
1045008066691
11180a6975735
12888113aa83
1343237a6a33
14226d76c947
1512864d36e6
hexa7ab09883

45008066691 has 16 divisors (see below), whose sum is σ = 76204134400. Its totient is φ = 25718895144.

The previous prime is 45008066599. The next prime is 45008066693. The reversal of 45008066691 is 19666080054.

It is not a de Polignac number, because 45008066691 - 27 = 45008066563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45008066693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119068771 + ... + 119069148.

It is an arithmetic number, because the mean of its divisors is an integer number (4762758400).

Almost surely, 245008066691 is an apocalyptic number.

45008066691 is a deficient number, since it is larger than the sum of its proper divisors (31196067709).

45008066691 is a wasteful number, since it uses less digits than its factorization.

45008066691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238137935 (or 238137929 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 45008066691 in words is "forty-five billion, eight million, sixty-six thousand, six hundred ninety-one".

Divisors: 1 3 7 9 21 27 63 189 238137919 714413757 1666965433 2143241271 5000896299 6429723813 15002688897 45008066691