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22052874144 = 2537229161659
BaseRepresentation
bin10100100010011101…
…000010011110100000
32002220220101002011110
4110202131002132200
5330131013433034
614044141343320
71410330223500
oct244235023640
962826332143
1022052874144
1193972aa824
124335567b40
132105aa5672
1410d2bc5a00
158910c4de9
hex5227427a0

22052874144 has 144 divisors (see below), whose sum is σ = 69662527200. Its totient is φ = 6083513856.

The previous prime is 22052874143. The next prime is 22052874149. The reversal of 22052874144 is 44147825022.

It is a super-3 number, since 3×220528741443 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22052874143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55587 + ... + 217245.

It is an arithmetic number, because the mean of its divisors is an integer number (483767550).

Almost surely, 222052874144 is an apocalyptic number.

22052874144 is a gapful number since it is divisible by the number (24) 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 22052874144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34831263600).

22052874144 is an abundant number, since it is smaller than the sum of its proper divisors (47609653056).

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

22052874144 is a wasteful number, since it uses less digits than its factorization.

22052874144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161715 (or 161700 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 22052874144 in words is "twenty-two billion, fifty-two million, eight hundred seventy-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 49 56 58 84 87 96 98 112 116 147 168 174 196 203 224 232 294 336 348 392 406 464 588 609 672 696 784 812 928 1176 1218 1392 1421 1568 1624 2352 2436 2784 2842 3248 4263 4704 4872 5684 6496 8526 9744 11368 17052 19488 22736 34104 45472 68208 136416 161659 323318 484977 646636 969954 1131613 1293272 1939908 2263226 2586544 3394839 3879816 4526452 4688111 5173088 6789678 7759632 7921291 9052904 9376222 13579356 14064333 15519264 15842582 18105808 18752444 23763873 27158712 28128666 31685164 32816777 36211616 37504888 47527746 54317424 56257332 63370328 65633554 75009776 95055492 98450331 108634848 112514664 126740656 131267108 150019552 190110984 196900662 225029328 229717439 253481312 262534216 380221968 393801324 450058656 459434878 525068432 689152317 760443936 787602648 918869756 1050136864 1378304634 1575205296 1837739512 2756609268 3150410592 3675479024 5513218536 7350958048 11026437072 22052874144