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22072920480 = 25325131179109
BaseRepresentation
bin10100100011101001…
…100000100110100000
32002222022002112120100
4110203221200212200
5330201131423410
614050135142400
71410662504562
oct244351404640
962868075510
1022072920480
1193a7651946
124340214a00
132109ca3bc0
1410d5723332
15892c348c0
hex523a609a0

22072920480 has 144 divisors (see below), whose sum is σ = 81118051560. Its totient is φ = 5433329664.

The previous prime is 22072920469. The next prime is 22072920509. The reversal of 22072920480 is 8402927022.

It is a happy number.

22072920480 is a `hidden beast` number, since 2 + 20 + 72 + 92 + 0 + 480 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12430466064 + 9642454416 = 111492^2 + 98196^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570835 + ... + 608274.

Almost surely, 222072920480 is an apocalyptic number.

22072920480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22072920480 is an abundant number, since it is smaller than the sum of its proper divisors (59045131080).

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

22072920480 is a wasteful number, since it uses less digits than its factorization.

22072920480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179143 (or 1179132 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 22072920480 in words is "twenty-two billion, seventy-two million, nine hundred twenty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 180 195 208 234 240 260 288 312 360 390 416 468 480 520 585 624 720 780 936 1040 1170 1248 1440 1560 1872 2080 2340 3120 3744 4680 6240 9360 18720 1179109 2358218 3537327 4716436 5895545 7074654 9432872 10611981 11791090 14149308 15328417 17686635 18865744 21223962 23582180 28298616 30656834 35373270 37731488 42447924 45985251 47164360 53059905 56597232 61313668 70746540 76642085 84895848 91970502 94328720 106119810 113194464 122627336 137955753 141493080 153284170 169791696 183941004 188657440 212239620 229926255 245254672 275911506 282986160 306568340 339583392 367882008 424479240 459852510 490509344 551823012 565972320 613136680 689778765 735764016 848958480 919705020 1103646024 1226273360 1379557530 1471528032 1697916960 1839410040 2207292048 2452546720 2759115060 3678820080 4414584096 5518230120 7357640160 11036460240 22072920480