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75957182149 = 107709880207
BaseRepresentation
bin100011010111101100…
…1101001111011000101
321021001120211122111111
41012233121221323011
52221030014312044
654521054005021
75326201252432
oct1065731517305
9237046748444
1075957182149
112a238938202
1212879aa6771
1372166a10c4
143967c7ab89
151e985dbb34
hex11af669ec5

75957182149 has 4 divisors (see below), whose sum is σ = 76667062464. Its totient is φ = 75247301836.

The previous prime is 75957182143. The next prime is 75957182167. The reversal of 75957182149 is 94128175957.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94128175957 = 635411481377.

It is a cyclic number.

It is not a de Polignac number, because 75957182149 - 229 = 75420311237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75957182093 and 75957182102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75957182143) 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, 354939997 + ... + 354940210.

It is an arithmetic number, because the mean of its divisors is an integer number (19166765616).

Almost surely, 275957182149 is an apocalyptic number.

It is an amenable number.

75957182149 is a deficient number, since it is larger than the sum of its proper divisors (709880315).

75957182149 is a wasteful number, since it uses less digits than its factorization.

75957182149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709880314.

The product of its digits is 6350400, while the sum is 58.

The spelling of 75957182149 in words is "seventy-five billion, nine hundred fifty-seven million, one hundred eighty-two thousand, one hundred forty-nine".

Divisors: 1 107 709880207 75957182149