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100211211929 is a prime number
BaseRepresentation
bin101110101010100001…
…1011011111010011001
3100120122220002000112202
41131111003123322121
53120213032240204
6114011510015545
710145220150503
oct1352503337231
9316586060482
10100211211929
1139554686814
12175086475b5
1395b04c110a
144bc9120d73
152917a5ae1e
hex17550dbe99

100211211929 has 2 divisors, whose sum is σ = 100211211930. Its totient is φ = 100211211928.

The previous prime is 100211211923. The next prime is 100211212001. The reversal of 100211211929 is 929112112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88121109904 + 12090102025 = 296852^2 + 109955^2 .

It is an emirp because it is prime and its reverse (929112112001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100211211929 - 24 = 100211211913 is a prime.

It is not a weakly prime, because it can be changed into another prime (100211211923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105605964 + 50105605965.

It is an arithmetic number, because the mean of its divisors is an integer number (50105605965).

Almost surely, 2100211211929 is an apocalyptic number.

It is an amenable number.

100211211929 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211211929 is an equidigital number, since it uses as much as digits as its factorization.

100211211929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 100211211929 in words is "one hundred billion, two hundred eleven million, two hundred eleven thousand, nine hundred twenty-nine".