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101011109957 is a prime number
BaseRepresentation
bin101111000010010111…
…0110011100001000101
3100122201122020001100122
41132010232303201011
53123332321004312
6114223122351325
710204102160642
oct1360456634105
9318648201318
10101011109957
1139925157a6a
12176b04bb545
1396aa139764
144c63460dc9
152962db2b72
hex1784bb3845

101011109957 has 2 divisors, whose sum is σ = 101011109958. Its totient is φ = 101011109956.

The previous prime is 101011109939. The next prime is 101011109981. The reversal of 101011109957 is 759901110101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95769205156 + 5241904801 = 309466^2 + 72401^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011109957 - 212 = 101011105861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101011409957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505554978 + 50505554979.

It is an arithmetic number, because the mean of its divisors is an integer number (50505554979).

Almost surely, 2101011109957 is an apocalyptic number.

It is an amenable number.

101011109957 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011109957 is an equidigital number, since it uses as much as digits as its factorization.

101011109957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 35.

The spelling of 101011109957 in words is "one hundred one billion, eleven million, one hundred nine thousand, nine hundred fifty-seven".