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22013021013 = 3173631118873
BaseRepresentation
bin10100100000000101…
…000000101101010101
32002211010101022221120
4110200011000231111
5330040313133023
614040155234153
71406334406554
oct244005005525
962733338846
1022013021013
11937685a555
124324148959
1320ca760929
1410cb7add9b
1588c8518e3
hex520140b55

22013021013 has 16 divisors (see below), whose sum is σ = 31086026496. Its totient is φ = 13808171520.

The previous prime is 22013020957. The next prime is 22013021021. The reversal of 22013021013 is 31012031022.

It is not a de Polignac number, because 22013021013 - 26 = 22013020949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22013020983 and 22013021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013021813) 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, 125745 + ... + 244617.

It is an arithmetic number, because the mean of its divisors is an integer number (1942876656).

Almost surely, 222013021013 is an apocalyptic number.

It is an amenable number.

22013021013 is a deficient number, since it is larger than the sum of its proper divisors (9073005483).

22013021013 is a wasteful number, since it uses less digits than its factorization.

22013021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122524.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22013021013 its reverse (31012031022), we get a palindrome (53025052035).

The spelling of 22013021013 in words is "twenty-two billion, thirteen million, twenty-one thousand, thirteen".

Divisors: 1 3 17 51 3631 10893 61727 118873 185181 356619 2020841 6062523 431627863 1294883589 7337673671 22013021013