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105155517937 is a prime number
BaseRepresentation
bin110000111101111000…
…0011101110111110001
3101001102110122210022111
41201323300131313301
53210324303033222
6120150251405321
710411565104021
oct1417360356761
9331373583274
10105155517937
1140661604028
1218468453841
139bba94c982
145137a45a81
152b06b60777
hex187bc1ddf1

105155517937 has 2 divisors, whose sum is σ = 105155517938. Its totient is φ = 105155517936.

The previous prime is 105155517893. The next prime is 105155517953. The reversal of 105155517937 is 739715551501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100813235121 + 4342282816 = 317511^2 + 65896^2 .

It is an emirp because it is prime and its reverse (739715551501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105155517937 is a prime.

It is a super-2 number, since 2×1051555179372 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105155517967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52577758968 + 52577758969.

It is an arithmetic number, because the mean of its divisors is an integer number (52577758969).

Almost surely, 2105155517937 is an apocalyptic number.

It is an amenable number.

105155517937 is a deficient number, since it is larger than the sum of its proper divisors (1).

105155517937 is an equidigital number, since it uses as much as digits as its factorization.

105155517937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826875, while the sum is 49.

The spelling of 105155517937 in words is "one hundred five billion, one hundred fifty-five million, five hundred seventeen thousand, nine hundred thirty-seven".