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106515666031 is a prime number
BaseRepresentation
bin110001100110011010…
…1000001010001101111
3101011221021000110201211
41203030311001101233
53221121002303111
6120533240215251
710460362136245
oct1431465012157
9334837013654
10106515666031
114119a353465
1218787a6a527
13a076687128
145226542795
152b86282521
hex18ccd4146f

106515666031 has 2 divisors, whose sum is σ = 106515666032. Its totient is φ = 106515666030.

The previous prime is 106515666017. The next prime is 106515666067. The reversal of 106515666031 is 130666515601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106515666031 - 217 = 106515534959 is a prime.

It is a super-2 number, since 2×1065156660312 (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 (106515666001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53257833015 + 53257833016.

It is an arithmetic number, because the mean of its divisors is an integer number (53257833016).

Almost surely, 2106515666031 is an apocalyptic number.

106515666031 is a deficient number, since it is larger than the sum of its proper divisors (1).

106515666031 is an equidigital number, since it uses as much as digits as its factorization.

106515666031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 106515666031 in words is "one hundred six billion, five hundred fifteen million, six hundred sixty-six thousand, thirty-one".