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100130103257 is a prime number
BaseRepresentation
bin101110101000000111…
…0000001111111011001
3100120110020110021100212
41131100032001333121
53120031301301012
6113555451340505
710143213556202
oct1352016017731
9316406407325
10100130103257
1139512918658
12174a5451735
139599763212
144bbc44a5a9
152910888b22
hex1750381fd9

100130103257 has 2 divisors, whose sum is σ = 100130103258. Its totient is φ = 100130103256.

The previous prime is 100130103253. The next prime is 100130103347. The reversal of 100130103257 is 752301031001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92571713536 + 7558389721 = 304256^2 + 86939^2 .

It is a cyclic number.

It is not a de Polignac number, because 100130103257 - 22 = 100130103253 is a prime.

It is not a weakly prime, because it can be changed into another prime (100130103253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50065051628 + 50065051629.

It is an arithmetic number, because the mean of its divisors is an integer number (50065051629).

Almost surely, 2100130103257 is an apocalyptic number.

It is an amenable number.

100130103257 is a deficient number, since it is larger than the sum of its proper divisors (1).

100130103257 is an equidigital number, since it uses as much as digits as its factorization.

100130103257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

Adding to 100130103257 its reverse (752301031001), we get a palindrome (852431134258).

The spelling of 100130103257 in words is "one hundred billion, one hundred thirty million, one hundred three thousand, two hundred fifty-seven".