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45727652881 = 153269298349
BaseRepresentation
bin101010100101100101…
…001001110000010001
311101000211122110011101
4222211211021300101
51222122234343011
633001302144401
73206113431151
oct524545116021
9141024573141
1045727652881
1118436082469
128a42122101
1344098b3091
1422db164761
1512c97742c1
hexaa5949c11

45727652881 has 4 divisors (see below), whose sum is σ = 45728104500. Its totient is φ = 45727201264.

The previous prime is 45727652863. The next prime is 45727652899. The reversal of 45727652881 is 18825672754.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (45727652863) and next prime (45727652899).

It can be written as a sum of positive squares in 2 ways, for example, as 10299002256 + 35428650625 = 101484^2 + 188225^2 .

It is a cyclic number.

It is not a de Polignac number, because 45727652881 - 213 = 45727644689 is a prime.

It is a super-2 number, since 2×457276528812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45727656881) 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, 4095 + ... + 302443.

It is an arithmetic number, because the mean of its divisors is an integer number (11432026125).

Almost surely, 245727652881 is an apocalyptic number.

It is an amenable number.

45727652881 is a deficient number, since it is larger than the sum of its proper divisors (451619).

45727652881 is a wasteful number, since it uses less digits than its factorization.

45727652881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451618.

The product of its digits is 7526400, while the sum is 55.

The spelling of 45727652881 in words is "forty-five billion, seven hundred twenty-seven million, six hundred fifty-two thousand, eight hundred eighty-one".

Divisors: 1 153269 298349 45727652881