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22010120140 = 2252937948483
BaseRepresentation
bin10100011111111001…
…111100011111001100
32002210220220221200211
4110133321330133030
5330034042321030
614040013132204
71406300635321
oct243771743714
962726827624
1022010120140
119375159038
12432318a064
1320c9c86438
1410cb256b48
1588c47c12a
hex51fe7c7cc

22010120140 has 24 divisors (see below), whose sum is σ = 47815089840. Its totient is φ = 8500459968.

The previous prime is 22010120113. The next prime is 22010120141. The reversal of 22010120140 is 4102101022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22010120140.

It is not an unprimeable number, because it can be changed into a prime (22010120141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18973662 + ... + 18974821.

It is an arithmetic number, because the mean of its divisors is an integer number (1992295410).

Almost surely, 222010120140 is an apocalyptic number.

22010120140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010120140 is an abundant number, since it is smaller than the sum of its proper divisors (25804969700).

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

22010120140 is a wasteful number, since it uses less digits than its factorization.

22010120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37948521 (or 37948519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010120140 its reverse (4102101022), we get a palindrome (26112221162).

The spelling of 22010120140 in words is "twenty-two billion, ten million, one hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 37948483 75896966 151793932 189742415 379484830 758969660 1100506007 2201012014 4402024028 5502530035 11005060070 22010120140