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22850420720 = 2451066726777
BaseRepresentation
bin10101010001111111…
…011011111111110000
32011222111002122101112
4111101333123333300
5333244201430340
614255231452452
71436153241251
oct252177337760
964874078345
1022850420720
119766515326
124518687128
1322020a990a
14116aab2b28
158db115065
hex551fdbff0

22850420720 has 40 divisors (see below), whose sum is σ = 53134192944. Its totient is φ = 9138970112.

The previous prime is 22850420713. The next prime is 22850420767. The reversal of 22850420720 is 2702405822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839972 + ... + 866748.

Almost surely, 222850420720 is an apocalyptic number.

22850420720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22850420720 is an abundant number, since it is smaller than the sum of its proper divisors (30283772224).

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

22850420720 is a wasteful number, since it uses less digits than its factorization.

22850420720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37457 (or 37451 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 22850420720 in words is "twenty-two billion, eight hundred fifty million, four hundred twenty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 10667 21334 26777 42668 53335 53554 85336 106670 107108 133885 170672 213340 214216 267770 426680 428432 535540 853360 1071080 2142160 285630259 571260518 1142521036 1428151295 2285042072 2856302590 4570084144 5712605180 11425210360 22850420720