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22131141140 = 2251798837001
BaseRepresentation
bin10100100111000111…
…100110101000010100
32010010100122110022002
4110213013212220110
5330311033004030
614100015054432
71412300411243
oct244707465024
963110573262
1022131141140
1194274a7999
124357811418
132119079cb4
1410dd35a95a
15897dd5245
hex5271e6a14

22131141140 has 48 divisors (see below), whose sum is σ = 46794646080. Its totient is φ = 8791776000.

The previous prime is 22131141139. The next prime is 22131141257. The reversal of 22131141140 is 4114113122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157640 + ... + 3164640.

It is an arithmetic number, because the mean of its divisors is an integer number (974888460).

Almost surely, 222131141140 is an apocalyptic number.

22131141140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131141140 is an abundant number, since it is smaller than the sum of its proper divisors (24663504940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131141140 is a wasteful number, since it uses less digits than its factorization.

22131141140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22131141140 its reverse (4114113122), we get a palindrome (26245254262).

The spelling of 22131141140 in words is "twenty-two billion, one hundred thirty-one million, one hundred forty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 179 358 716 883 895 1766 1790 3532 3580 4415 7001 8830 14002 17660 28004 35005 70010 140020 158057 316114 632228 790285 1253179 1580570 2506358 3161140 5012716 6181883 6265895 12363766 12531790 24727532 25063580 30909415 61818830 123637660 1106557057 2213114114 4426228228 5532785285 11065570570 22131141140