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23110213030021 = 1316931699618031
BaseRepresentation
bin1010100000100110001000…
…00010011101000010000101
310000211022111110222210201201
411100103010002131002011
511012114204013430041
6121052404005222501
74603441423413145
oct520230402350205
9100738443883651
1023110213030021
1173aaa93856497
122712ab7701a31
13cb838c4aa8b0
1459c77c74c925
152a123a252631
hex1504c409d085

23110213030021 has 16 divisors (see below), whose sum is σ = 24917319750400. Its totient is φ = 21307320941760.

The previous prime is 23110213029997. The next prime is 23110213030067. The reversal of 23110213030021 is 12003031201132.

It is a cyclic number.

It is not a de Polignac number, because 23110213030021 - 25 = 23110213029989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110213030321) 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, 37084276 + ... + 37702306.

It is an arithmetic number, because the mean of its divisors is an integer number (1557332484400).

Almost surely, 223110213030021 is an apocalyptic number.

It is an amenable number.

23110213030021 is a deficient number, since it is larger than the sum of its proper divisors (1807106720379).

23110213030021 is a wasteful number, since it uses less digits than its factorization.

23110213030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621436.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23110213030021 its reverse (12003031201132), we get a palindrome (35113244231153).

The spelling of 23110213030021 in words is "twenty-three trillion, one hundred ten billion, two hundred thirteen million, thirty thousand, twenty-one".

Divisors: 1 13 1693 1699 22009 22087 618031 2876407 8034403 37393291 1046326483 1050034669 13602244279 13650450697 1777708694617 23110213030021