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105651068917 is a prime number
BaseRepresentation
bin110001001100101001…
…0110101111111110101
3101002201000010101110111
41202121102311333311
53212333133201132
6120311353023021
710430063161042
oct1423122657765
9332630111414
10105651068917
1140896301899
12185863b4a71
139c695079c4
1451837a01c9
152b353ea647
hex18994b5ff5

105651068917 has 2 divisors, whose sum is σ = 105651068918. Its totient is φ = 105651068916.

The previous prime is 105651068857. The next prime is 105651068923. The reversal of 105651068917 is 719860156501.

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., 105281429841 + 369639076 = 324471^2 + 19226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105651068917 is a prime.

It is a super-2 number, since 2×1056510689172 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105651068927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52825534458 + 52825534459.

It is an arithmetic number, because the mean of its divisors is an integer number (52825534459).

Almost surely, 2105651068917 is an apocalyptic number.

It is an amenable number.

105651068917 is a deficient number, since it is larger than the sum of its proper divisors (1).

105651068917 is an equidigital number, since it uses as much as digits as its factorization.

105651068917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 105651068917 in words is "one hundred five billion, six hundred fifty-one million, sixty-eight thousand, nine hundred seventeen".