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10500904157 is a prime number
BaseRepresentation
bin10011100011110011…
…10001010011011101
31000002211022012110012
421301321301103131
5133001212413112
64453554453005
7521136132632
oct116171612335
930084265405
1010500904157
1144a9539797
122050894165
13cb46cac73
147188b2189
15416d54022
hex271e714dd

10500904157 has 2 divisors, whose sum is σ = 10500904158. Its totient is φ = 10500904156.

The previous prime is 10500904153. The next prime is 10500904163. The reversal of 10500904157 is 75140900501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9985205476 + 515698681 = 99926^2 + 22709^2 .

It is a cyclic number.

It is not a de Polignac number, because 10500904157 - 22 = 10500904153 is a prime.

It is a super-2 number, since 2×105009041572 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10500904153) 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 as a sum of consecutive naturals, namely, 5250452078 + 5250452079.

It is an arithmetic number, because the mean of its divisors is an integer number (5250452079).

Almost surely, 210500904157 is an apocalyptic number.

It is an amenable number.

10500904157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500904157 is an equidigital number, since it uses as much as digits as its factorization.

10500904157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 10500904157 in words is "ten billion, five hundred million, nine hundred four thousand, one hundred fifty-seven".