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21365102714 = 228138399259
BaseRepresentation
bin10011111001011101…
…011001100001111010
32001010222012200010112
4103321131121201322
5322223431241324
613452012144322
71354306243124
oct237135314172
961128180115
1021365102714
11907405298a
1241831680a2
132026458317
141069712214
15850a1ac0e
hex4f975987a

21365102714 has 16 divisors (see below), whose sum is σ = 32246000640. Its totient is φ = 10616635680.

The previous prime is 21365102701. The next prime is 21365102719. The reversal of 21365102714 is 41720156312.

It is a super-2 number, since 2×213651027142 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21365102719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165617 + ... + 264875.

It is an arithmetic number, because the mean of its divisors is an integer number (2015375040).

Almost surely, 221365102714 is an apocalyptic number.

21365102714 is a deficient number, since it is larger than the sum of its proper divisors (10880897926).

21365102714 is a wasteful number, since it uses less digits than its factorization.

21365102714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99925.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 21365102714 in words is "twenty-one billion, three hundred sixty-five million, one hundred two thousand, seven hundred fourteen".

Divisors: 1 2 281 383 562 766 99259 107623 198518 215246 27891779 38016197 55783558 76032394 10682551357 21365102714