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22480315880 = 23511193186743
BaseRepresentation
bin10100111011111011…
…100110010111101000
32011000200200100222212
4110323323212113220
5332014430102010
614154411104252
71424040350351
oct247373462750
964020610885
1022480315880
119596609060
124434742088
132173504679
141133890d28
158b88a9505
hex53bee65e8

22480315880 has 128 divisors (see below), whose sum is σ = 59957452800. Its totient is φ = 7494508800.

The previous prime is 22480315853. The next prime is 22480315883. The reversal of 22480315880 is 8851308422.

It is not an unprimeable number, because it can be changed into a prime (22480315883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215789 + ... + 302531.

It is an arithmetic number, because the mean of its divisors is an integer number (468417600).

Almost surely, 222480315880 is an apocalyptic number.

22480315880 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 22480315880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29978726400).

22480315880 is an abundant number, since it is smaller than the sum of its proper divisors (37477136920).

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

22480315880 is a wasteful number, since it uses less digits than its factorization.

22480315880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86815 (or 86811 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 22480315880 in words is "twenty-two billion, four hundred eighty million, three hundred fifteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 19 20 22 31 38 40 44 55 62 76 88 95 110 124 152 155 190 209 220 248 310 341 380 418 440 589 620 682 760 836 1045 1178 1240 1364 1672 1705 2090 2356 2728 2945 3410 4180 4712 5890 6479 6820 8360 11780 12958 13640 23560 25916 32395 51832 64790 86743 129580 173486 259160 346972 433715 693944 867430 954173 1648117 1734860 1908346 2689033 3296234 3469720 3816692 4770865 5378066 6592468 7633384 8240585 9541730 10756132 13184936 13445165 16481170 18129287 19083460 21512264 26890330 29579363 32962340 36258574 38166920 51091627 53780660 59158726 65924680 72517148 90646435 102183254 107561320 118317452 145034296 147896815 181292870 204366508 236634904 255458135 295793630 362585740 408733016 510916270 562007897 591587260 725171480 1021832540 1124015794 1183174520 2043665080 2248031588 2810039485 4496063176 5620078970 11240157940 22480315880