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100631212679 is a prime number
BaseRepresentation
bin101110110111000010…
…1100111001010000111
3100121202011101021021002
41131232011213022013
53122043042301204
6114121312043515
710161510123464
oct1355605471207
9317664337232
10100631212679
113974a772578
121760523359b
13964951627a
144c28c1066b
15293e87091e
hex176e167287

100631212679 has 2 divisors, whose sum is σ = 100631212680. Its totient is φ = 100631212678.

The previous prime is 100631212651. The next prime is 100631212709. The reversal of 100631212679 is 976212136001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100631212679 - 228 = 100362777223 is a prime.

It is a super-2 number, since 2×1006312126792 (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 (100631212639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50315606339 + 50315606340.

It is an arithmetic number, because the mean of its divisors is an integer number (50315606340).

Almost surely, 2100631212679 is an apocalyptic number.

100631212679 is a deficient number, since it is larger than the sum of its proper divisors (1).

100631212679 is an equidigital number, since it uses as much as digits as its factorization.

100631212679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 100631212679 in words is "one hundred billion, six hundred thirty-one million, two hundred twelve thousand, six hundred seventy-nine".