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22256044320 = 253579586921
BaseRepresentation
bin10100101110100100…
…000100100100100000
32010110001200012020210
4110232210010210200
5331040021404240
614120240134120
71415345153406
oct245644044440
963401605223
1022256044320
119490a58564
124391607340
132138bcc8c3
141111b91476
158a3d58780
hex52e904920

22256044320 has 96 divisors (see below), whose sum is σ = 70994085120. Its totient is φ = 5859809280.

The previous prime is 22256044273. The next prime is 22256044331. The reversal of 22256044320 is 2344065222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255541 + ... + 331380.

It is an arithmetic number, because the mean of its divisors is an integer number (739521720).

Almost surely, 222256044320 is an apocalyptic number.

22256044320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22256044320 is an abundant number, since it is smaller than the sum of its proper divisors (48738040800).

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

22256044320 is a wasteful number, since it uses less digits than its factorization.

22256044320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587018 (or 587010 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 22256044320 in words is "twenty-two billion, two hundred fifty-six million, forty-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 79 80 96 120 158 160 237 240 316 395 474 480 632 790 948 1185 1264 1580 1896 2370 2528 3160 3792 4740 6320 7584 9480 12640 18960 37920 586921 1173842 1760763 2347684 2934605 3521526 4695368 5869210 7043052 8803815 9390736 11738420 14086104 17607630 18781472 23476840 28172208 35215260 46366759 46953680 56344416 70430520 92733518 93907360 139100277 140861040 185467036 231833795 278200554 281722080 370934072 463667590 556401108 695501385 741868144 927335180 1112802216 1391002770 1483736288 1854670360 2225604432 2782005540 3709340720 4451208864 5564011080 7418681440 11128022160 22256044320