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11750157157 = 29405177833
BaseRepresentation
bin10101111000101110…
…10010101101100101
31010022212222211101211
422330113102231211
5143031020012112
65221542351421
7564115454644
oct127427225545
933285884354
1011750157157
114a8a725a92
12233b12b571
13115347881b
147d678335b
1548b86d0a7
hex2bc5d2b65

11750157157 has 4 divisors (see below), whose sum is σ = 12155335020. Its totient is φ = 11344979296.

The previous prime is 11750157151. The next prime is 11750157169. The reversal of 11750157157 is 75175105711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8056678081 + 3693479076 = 89759^2 + 60774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11750157157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11750157151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202588888 + ... + 202588945.

It is an arithmetic number, because the mean of its divisors is an integer number (3038833755).

Almost surely, 211750157157 is an apocalyptic number.

It is an amenable number.

11750157157 is a deficient number, since it is larger than the sum of its proper divisors (405177863).

11750157157 is an equidigital number, since it uses as much as digits as its factorization.

11750157157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405177862.

The product of its (nonzero) digits is 42875, while the sum is 40.

The spelling of 11750157157 in words is "eleven billion, seven hundred fifty million, one hundred fifty-seven thousand, one hundred fifty-seven".

Divisors: 1 29 405177833 11750157157