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21310274314 = 2713931193511
BaseRepresentation
bin10011110110001100…
…001111101100001010
32001000011001002201001
4103312030033230022
5322120412234224
613442333045214
71353042225430
oct236614175412
961004032631
1021310274314
11904610455a
12416892680a
132017c9c294
14106231cd50
1584acda544
hex4f630fb0a

21310274314 has 32 divisors (see below), whose sum is σ = 36816998400. Its totient is φ = 9061781040.

The previous prime is 21310274303. The next prime is 21310274327. The reversal of 21310274314 is 41347201312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6067819 + ... + 6071329.

It is an arithmetic number, because the mean of its divisors is an integer number (1150531200).

Almost surely, 221310274314 is an apocalyptic number.

21310274314 is a deficient number, since it is larger than the sum of its proper divisors (15506724086).

21310274314 is a wasteful number, since it uses less digits than its factorization.

21310274314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 21310274314 its reverse (41347201312), we get a palindrome (62657475626).

The spelling of 21310274314 in words is "twenty-one billion, three hundred ten million, two hundred seventy-four thousand, three hundred fourteen".

Divisors: 1 2 7 14 139 278 973 1946 3119 3511 6238 7022 21833 24577 43666 49154 433541 488029 867082 976058 3034787 3416203 6069574 6832406 10950809 21901618 76655663 153311326 1522162451 3044324902 10655137157 21310274314