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4902118157 is a prime number
BaseRepresentation
bin1001001000011000…
…00110001100001101
3110122122012101220202
410210030012030031
540014420240112
62130233223245
7232323213446
oct44414061415
913578171822
104902118157
112096132a22
12b49861b25
136017aa241
143470a22cd
151da56e6c2
hex12430630d

4902118157 has 2 divisors, whose sum is σ = 4902118158. Its totient is φ = 4902118156.

The previous prime is 4902118129. The next prime is 4902118159. The reversal of 4902118157 is 7518112094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4226430121 + 675688036 = 65011^2 + 25994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4902118157 - 218 = 4901856013 is a prime.

Together with 4902118159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4902118157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4902118159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451059078 + 2451059079.

It is an arithmetic number, because the mean of its divisors is an integer number (2451059079).

Almost surely, 24902118157 is an apocalyptic number.

It is an amenable number.

4902118157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4902118157 is an equidigital number, since it uses as much as digits as its factorization.

4902118157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 4902118157 is about 70015.1280581561. The cubic root of 4902118157 is about 1698.7439576708.

The spelling of 4902118157 in words is "four billion, nine hundred two million, one hundred eighteen thousand, one hundred fifty-seven".