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219415037929 = 1719235752817
BaseRepresentation
bin1100110001011000100…
…1111100011111101001
3202222100102002210122021
43030112021330133221
512043330222203204
6244444201424441
721565211023063
oct3142611743751
9688312083567
10219415037929
118506508359a
123663579b121
13178c9764bb9
14a896816733
155a92b93154
hex331627c7e9

219415037929 has 12 divisors (see below), whose sum is σ = 245192825844. Its totient is φ = 195639409152.

The previous prime is 219415037927. The next prime is 219415037953. The reversal of 219415037929 is 929730514912.

It can be written as a sum of positive squares in 2 ways, for example, as 72229250025 + 147185787904 = 268755^2 + 383648^2 .

It is not a de Polignac number, because 219415037929 - 21 = 219415037927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219415037927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17870272 + ... + 17882545.

It is an arithmetic number, because the mean of its divisors is an integer number (20432735487).

Almost surely, 2219415037929 is an apocalyptic number.

It is an amenable number.

219415037929 is a deficient number, since it is larger than the sum of its proper divisors (25777787915).

219415037929 is a wasteful number, since it uses less digits than its factorization.

219415037929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35752872 (or 35752853 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 219415037929 in words is "two hundred nineteen billion, four hundred fifteen million, thirty-seven thousand, nine hundred twenty-nine".

Divisors: 1 17 19 323 361 6137 35752817 607797889 679303523 11548159891 12906766937 219415037929