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142879625929 is a prime number
BaseRepresentation
bin1000010100010001001…
…0100001001011001001
3111122210112020000220101
42011010102201023021
54320104141012204
6145345450125401
713215455532115
oct2050422411311
9448715200811
10142879625929
115565a907787
1223836120861
131062034b271
146cb5c5c745
153ab3938ea4
hex21444a12c9

142879625929 has 2 divisors, whose sum is σ = 142879625930. Its totient is φ = 142879625928.

The previous prime is 142879625923. The next prime is 142879625939. The reversal of 142879625929 is 929526978241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142068686400 + 810939529 = 376920^2 + 28477^2 .

It is a cyclic number.

It is not a de Polignac number, because 142879625929 - 211 = 142879623881 is a prime.

It is a super-2 number, since 2×1428796259292 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142879625923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71439812964 + 71439812965.

It is an arithmetic number, because the mean of its divisors is an integer number (71439812965).

Almost surely, 2142879625929 is an apocalyptic number.

It is an amenable number.

142879625929 is a deficient number, since it is larger than the sum of its proper divisors (1).

142879625929 is an equidigital number, since it uses as much as digits as its factorization.

142879625929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 64.

The spelling of 142879625929 in words is "one hundred forty-two billion, eight hundred seventy-nine million, six hundred twenty-five thousand, nine hundred twenty-nine".