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21359470102 = 2101105739951
BaseRepresentation
bin10011111001000111…
…111010011000010110
32001010120121111122021
4103321013322120112
5322221011020402
613451251323354
71354210333405
oct237107723026
961116544567
1021359470102
119070956033
1241812b055a
132025235609
141068a8763c
158502a6d37
hex4f91fa616

21359470102 has 8 divisors (see below), whose sum is σ = 32356425312. Its totient is φ = 10573995000.

The previous prime is 21359470091. The next prime is 21359470151. The reversal of 21359470102 is 20107495312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 52869774 + ... + 52870177.

It is an arithmetic number, because the mean of its divisors is an integer number (4044553164).

Almost surely, 221359470102 is an apocalyptic number.

21359470102 is a deficient number, since it is larger than the sum of its proper divisors (10996955210).

21359470102 is a wasteful number, since it uses less digits than its factorization.

21359470102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105740054.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 21359470102 in words is "twenty-one billion, three hundred fifty-nine million, four hundred seventy thousand, one hundred two".

Divisors: 1 2 101 202 105739951 211479902 10679735051 21359470102