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14557981668790 = 2572172375985081
BaseRepresentation
bin1101001111011000101101…
…0100110111010110110110
31220112201200202212121211111
43103312023110313112312
53402004221301400130
650543502222425234
73031531233314200
oct323661324672666
956481622777744
1014557981668790
11470300714301a
12177152673221a
13817a72636b81
14384878077770
151a3a46ea002a
hexd3d8b5375b6

14557981668790 has 96 divisors (see below), whose sum is σ = 33679019865024. Its totient is φ = 4493453690880.

The previous prime is 14557981668787. The next prime is 14557981668907. The reversal of 14557981668790 is 9786618975541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37800951 + ... + 38184130.

It is an arithmetic number, because the mean of its divisors is an integer number (350823123594).

Almost surely, 214557981668790 is an apocalyptic number.

14557981668790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14557981668790 is an abundant number, since it is smaller than the sum of its proper divisors (19121038196234).

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

14557981668790 is a wasteful number, since it uses less digits than its factorization.

14557981668790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75985142 (or 75985135 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 76.

The spelling of 14557981668790 in words is "fourteen trillion, five hundred fifty-seven billion, nine hundred eighty-one million, six hundred sixty-eight thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 17 23 34 35 46 49 70 85 98 115 119 161 170 230 238 245 322 391 490 595 782 805 833 1127 1190 1610 1666 1955 2254 2737 3910 4165 5474 5635 8330 11270 13685 19159 27370 38318 95795 191590 75985081 151970162 379925405 531895567 759850810 1063791134 1291746377 1747656863 2583492754 2659477835 3495313726 3723268969 5318955670 6458731885 7446537938 8738284315 9042224639 12233598041 12917463770 17476568630 18084449278 18616344845 24467196082 29710166671 37232689690 45211123195 59420333342 61167990205 63295572473 85635186287 90422246390 122335980410 126591144946 148550833355 171270372574 207971166697 297101666710 316477862365 415942333394 428175931435 632955724730 856351862870 1039855833485 1455798166879 2079711666970 2911596333758 7278990834395 14557981668790