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109957907 is a prime number
BaseRepresentation
bin1101000110111…
…01001100010011
321122220102220002
412203131030103
5211122123112
614524440215
72503424663
oct643351423
9248812802
10109957907
1157083004
12309a906b
1319a1c167
14108641a3
1599c01c2
hex68dd313

109957907 has 2 divisors, whose sum is σ = 109957908. Its totient is φ = 109957906.

The previous prime is 109957901. The next prime is 109957909. The reversal of 109957907 is 709759901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109957907 - 210 = 109956883 is a prime.

Together with 109957909, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109957901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54978953 + 54978954.

It is an arithmetic number, because the mean of its divisors is an integer number (54978954).

Almost surely, 2109957907 is an apocalyptic number.

109957907 is a deficient number, since it is larger than the sum of its proper divisors (1).

109957907 is an equidigital number, since it uses as much as digits as its factorization.

109957907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 47.

The square root of 109957907 is about 10486.0815846531. The cubic root of 109957907 is about 479.0808611707.

The spelling of 109957907 in words is "one hundred nine million, nine hundred fifty-seven thousand, nine hundred seven".