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22331120340 = 22354347613019
BaseRepresentation
bin10100110011000010…
…011101101011010100
32010122021221110012010
4110303002131223110
5331213231322330
614131521224220
71420246251054
oct246302355324
963567843163
1022331120340
11951a376261
1243b2792070
13214b627999
14111bb35564
158aa7383b0
hex53309dad4

22331120340 has 192 divisors, whose sum is σ = 66435747840. Its totient is φ = 5597544960.

The previous prime is 22331120333. The next prime is 22331120353. The reversal of 22331120340 is 4302113322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7395351 + ... + 7398369.

It is an arithmetic number, because the mean of its divisors is an integer number (346019520).

Almost surely, 222331120340 is an apocalyptic number.

22331120340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22331120340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33217873920).

22331120340 is an abundant number, since it is smaller than the sum of its proper divisors (44104627500).

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

22331120340 is a wasteful number, since it uses less digits than its factorization.

22331120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22331120340 its reverse (4302113322), we get a palindrome (26633233662).

The spelling of 22331120340 in words is "twenty-two billion, three hundred thirty-one million, one hundred twenty thousand, three hundred forty".