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22013127925 = 5236714931607
BaseRepresentation
bin10100100000000101…
…011010110011110101
32002211010120202121021
4110200011122303311
5330040330043200
614040201421141
71406335333345
oct244005326365
962733522537
1022013127925
119376922908
12432419a7b1
1320ca79a4a9
1410cb7dad25
1588c87341a
hex52015acf5

22013127925 has 24 divisors (see below), whose sum is σ = 27406031616. Its totient is φ = 17539832640.

The previous prime is 22013127887. The next prime is 22013127959. The reversal of 22013127925 is 52972131022.

It is not a de Polignac number, because 22013127925 - 29 = 22013127413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13697472 + ... + 13699078.

It is an arithmetic number, because the mean of its divisors is an integer number (1141917984).

Almost surely, 222013127925 is an apocalyptic number.

22013127925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22013127925 is a deficient number, since it is larger than the sum of its proper divisors (5392903691).

22013127925 is a wasteful number, since it uses less digits than its factorization.

22013127925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 22013127925 its reverse (52972131022), we get a palindrome (74985258947).

The spelling of 22013127925 in words is "twenty-two billion, thirteen million, one hundred twenty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 367 1493 1607 1835 7465 8035 9175 37325 40175 547931 589769 2399251 2739655 2948845 11996255 13698275 14744225 59981275 880525117 4402625585 22013127925