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212020103929 is a prime number
BaseRepresentation
bin1100010101110101100…
…0100000101011111001
3202021021001020020020211
43011131120200223321
511433204121311204
6241222314351121
721214025101534
oct3053530405371
9667231206224
10212020103929
1181a0a904197
123511112b4a1
1316cbb6a24ca
14a394653a1b
1557ad866804
hex315d620af9

212020103929 has 2 divisors, whose sum is σ = 212020103930. Its totient is φ = 212020103928.

The previous prime is 212020103909. The next prime is 212020103989. The reversal of 212020103929 is 929301020212.

212020103929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210269936704 + 1750167225 = 458552^2 + 41835^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020103929 - 225 = 211986549497 is a prime.

It is a super-2 number, since 2×2120201039292 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212020103929.

It is not a weakly prime, because it can be changed into another prime (212020103909) 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, 106010051964 + 106010051965.

It is an arithmetic number, because the mean of its divisors is an integer number (106010051965).

Almost surely, 2212020103929 is an apocalyptic number.

It is an amenable number.

212020103929 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020103929 is an equidigital number, since it uses as much as digits as its factorization.

212020103929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 212020103929 in words is "two hundred twelve billion, twenty million, one hundred three thousand, nine hundred twenty-nine".