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38502097157 is a prime number
BaseRepresentation
bin100011110110111001…
…110110000100000101
310200101021111012002102
4203312321312010011
51112323014102112
625404305321445
72532055266056
oct436671660405
9120337435072
1038502097157
1115368480507
127566336285
133827945a14
141c1369272d
151005253bc2
hex8f6e76105

38502097157 has 2 divisors, whose sum is σ = 38502097158. Its totient is φ = 38502097156.

The previous prime is 38502097091. The next prime is 38502097159. The reversal of 38502097157 is 75179020583.

38502097157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25252705921 + 13249391236 = 158911^2 + 115106^2 .

It is a cyclic number.

It is not a de Polignac number, because 38502097157 - 28 = 38502096901 is a prime.

It is a super-2 number, since 2×385020971572 (a number of 22 digits) contains 22 as substring.

Together with 38502097159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38502097159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19251048578 + 19251048579.

It is an arithmetic number, because the mean of its divisors is an integer number (19251048579).

Almost surely, 238502097157 is an apocalyptic number.

It is an amenable number.

38502097157 is a deficient number, since it is larger than the sum of its proper divisors (1).

38502097157 is an equidigital number, since it uses as much as digits as its factorization.

38502097157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 38502097157 in words is "thirty-eight billion, five hundred two million, ninety-seven thousand, one hundred fifty-seven".