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45709517771 = 1764311713571
BaseRepresentation
bin101010100100011111…
…111110001111001011
311100222120112002110122
4222210133332033023
51222103114032041
632555413333455
73205503330131
oct524437761713
9140876462418
1045709517771
1118426916275
128a3803728b
134405c03748
1422d89a3751
1512c7d90c4b
hexaa47fe3cb

45709517771 has 16 divisors (see below), whose sum is σ = 48528563328. Its totient is φ = 42905116800.

The previous prime is 45709517761. The next prime is 45709517779. The reversal of 45709517771 is 17771590754.

It is not a de Polignac number, because 45709517771 - 210 = 45709516747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45709517779) 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, 12798416 + ... + 12801986.

It is an arithmetic number, because the mean of its divisors is an integer number (3033035208).

Almost surely, 245709517771 is an apocalyptic number.

45709517771 is a deficient number, since it is larger than the sum of its proper divisors (2819045557).

45709517771 is a wasteful number, since it uses less digits than its factorization.

45709517771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402.

The product of its (nonzero) digits is 2160900, while the sum is 53.

The spelling of 45709517771 in words is "forty-five billion, seven hundred nine million, five hundred seventeen thousand, seven hundred seventy-one".

Divisors: 1 17 643 1171 3571 10931 19907 60707 752953 2296153 4181641 12800201 39034601 71087897 2688795163 45709517771