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22453458690 = 23513478312037
BaseRepresentation
bin10100111010010101…
…001001011100000010
32010221211010212212010
4110322111021130002
5331441041134230
614152011313350
71423263151455
oct247225113402
963854125763
1022453458690
119582434933
12442774b856
13216aa90040
14113009d49c
158b63519b0
hex53a549702

22453458690 has 64 divisors (see below), whose sum is σ = 58050510336. Its totient is φ = 5525390592.

The previous prime is 22453458673. The next prime is 22453458739. The reversal of 22453458690 is 9685435422.

It is a happy number.

It is a super-2 number, since 2×224534586902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1859352 + ... + 1871388.

It is an arithmetic number, because the mean of its divisors is an integer number (907039224).

Almost surely, 222453458690 is an apocalyptic number.

22453458690 is an abundant number, since it is smaller than the sum of its proper divisors (35597051646).

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

22453458690 is a wasteful number, since it uses less digits than its factorization.

22453458690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 22453458690 in words is "twenty-two billion, four hundred fifty-three million, four hundred fifty-eight thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 4783 9566 12037 14349 23915 24074 28698 36111 47830 60185 62179 71745 72222 120370 124358 143490 156481 180555 186537 310895 312962 361110 373074 469443 621790 782405 932685 938886 1564810 1865370 2347215 4694430 57572971 115145942 172718913 287864855 345437826 575729710 748448623 863594565 1496897246 1727189130 2245345869 3742243115 4490691738 7484486230 11226729345 22453458690