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45854487669 = 397157575559
BaseRepresentation
bin101010101101001000…
…111111010001110101
311101100200022022210010
4222231020333101311
51222402222101134
633022032450433
73212213466654
oct525510772165
9141320268703
1045854487669
11184a0732301
128a786a9a19
134429c60c53
14230dd3d19b
1512d5979ce9
hexaad23f475

45854487669 has 8 divisors (see below), whose sum is σ = 61769619520. Its totient is φ = 30254507136.

The previous prime is 45854487661. The next prime is 45854487697. The reversal of 45854487669 is 96678445854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45854487669 - 23 = 45854487661 is a prime.

It is a super-2 number, since 2×458544876692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45854487661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78787489 + ... + 78788070.

It is an arithmetic number, because the mean of its divisors is an integer number (7721202440).

Almost surely, 245854487669 is an apocalyptic number.

It is an amenable number.

45854487669 is a deficient number, since it is larger than the sum of its proper divisors (15915131851).

45854487669 is a wasteful number, since it uses less digits than its factorization.

45854487669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157575659.

The product of its digits is 232243200, while the sum is 66.

The spelling of 45854487669 in words is "forty-five billion, eight hundred fifty-four million, four hundred eighty-seven thousand, six hundred sixty-nine".

Divisors: 1 3 97 291 157575559 472726677 15284829223 45854487669