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100203100169 is a prime number
BaseRepresentation
bin101110101010010010…
…0011111100000001001
3100120122022210220022012
41131110210133200021
53120203443201134
6114011020105305
710145061204164
oct1352444374011
9316568726265
10100203100169
1139550046287
1217505995235
1395ab910b63
144bc800cadb
152916ea76ce
hex175491f809

100203100169 has 2 divisors, whose sum is σ = 100203100170. Its totient is φ = 100203100168.

The previous prime is 100203100117. The next prime is 100203100219. The reversal of 100203100169 is 961001302001.

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., 67119855625 + 33083244544 = 259075^2 + 181888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100203100169 is a prime.

It is a super-2 number, since 2×1002031001692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100203100469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101550084 + 50101550085.

It is an arithmetic number, because the mean of its divisors is an integer number (50101550085).

Almost surely, 2100203100169 is an apocalyptic number.

It is an amenable number.

100203100169 is a deficient number, since it is larger than the sum of its proper divisors (1).

100203100169 is an equidigital number, since it uses as much as digits as its factorization.

100203100169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 100203100169 in words is "one hundred billion, two hundred three million, one hundred thousand, one hundred sixty-nine".