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21032112302013 = 3172868131437851
BaseRepresentation
bin1001100100000111010111…
…00101010010011110111101
32202110122120001211220010210
410302003223211102132331
510224042231222131023
6112422004034423033
74300343230601451
oct462035345223675
982418501756123
1021032112302013
11677973a0a77aa
1224381b7a31a79
13b9742044bac7
14529d6147c661
152671608bd593
hex1320eb9527bd

21032112302013 has 16 divisors (see below), whose sum is σ = 29692518014016. Its totient is φ = 13196564294400.

The previous prime is 21032112301999. The next prime is 21032112302017. The reversal of 21032112302013 is 31020321123012.

It is not a de Polignac number, because 21032112302013 - 216 = 21032112236477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032112302017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13908538 + ... + 15346388.

It is an arithmetic number, because the mean of its divisors is an integer number (1855782375876).

Almost surely, 221032112302013 is an apocalyptic number.

It is an amenable number.

21032112302013 is a deficient number, since it is larger than the sum of its proper divisors (8660405712003).

21032112302013 is a wasteful number, since it uses less digits than its factorization.

21032112302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724684.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21032112302013 its reverse (31020321123012), we get a palindrome (52052433425025).

The spelling of 21032112302013 in words is "twenty-one trillion, thirty-two billion, one hundred twelve million, three hundred two thousand, thirteen".

Divisors: 1 3 17 51 286813 860439 1437851 4313553 4875821 14627463 24443467 73330401 412394358863 1237183076589 7010704100671 21032112302013