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22030235312 = 243174359779
BaseRepresentation
bin10100100001000110…
…101011011010110000
32002212022202220112012
4110201012223122300
5330104220012222
614042012222052
71406633624201
oct244106533260
962768686465
1022030235312
119385547948
124329a6a928
1321011aa0c7
1410cdbb15a8
1588e1021e2
hex5211ab6b0

22030235312 has 40 divisors (see below), whose sum is σ = 44120509440. Its totient is φ = 10645266240.

The previous prime is 22030235303. The next prime is 22030235347. The reversal of 22030235312 is 21353203022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338639 + ... + 398417.

It is an arithmetic number, because the mean of its divisors is an integer number (1103012736).

Almost surely, 222030235312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030235312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22060254720).

22030235312 is an abundant number, since it is smaller than the sum of its proper divisors (22090274128).

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

22030235312 is a wasteful number, since it uses less digits than its factorization.

22030235312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60561 (or 60555 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 22030235312 its reverse (21353203022), we get a palindrome (43383438334).

The spelling of 22030235312 in words is "twenty-two billion, thirty million, two hundred thirty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 743 1486 2972 5944 11888 23033 46066 59779 92132 119558 184264 239116 368528 478232 956464 1853149 3706298 7412596 14825192 29650384 44415797 88831594 177663188 355326376 710652752 1376889707 2753779414 5507558828 11015117656 22030235312