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161005565060010 = 232511419388142921
BaseRepresentation
bin100100100110111100000111…
…100000110010001110101010
3210010001222111122202210220200
4210212330013200302032222
5132100403344123410020
61330232534022133030
745625160665231536
oct4446740740621652
9703058448683820
10161005565060010
1147335093085120
1216083b59b81176
136bab9b4c02a88
142ba89d4b02bc6
1513931ce45a590
hex926f078323aa

161005565060010 has 96 divisors (see below), whose sum is σ = 457760236489920. Its totient is φ = 38938497734400.

The previous prime is 161005565060009. The next prime is 161005565060027. The reversal of 161005565060010 is 10060565500161.

161005565060010 is a `hidden beast` number, since 16 + 10 + 0 + 5 + 565 + 0 + 60 + 0 + 10 = 666.

It is a super-2 number, since 2×1610055650600102 (a number of 29 digits) contains 22 as substring.

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, 193656651 + ... + 194486270.

It is an arithmetic number, because the mean of its divisors is an integer number (4768335796770).

Almost surely, 2161005565060010 is an apocalyptic number.

161005565060010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161005565060010 is an abundant number, since it is smaller than the sum of its proper divisors (296754671429910).

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

161005565060010 is a wasteful number, since it uses less digits than its factorization.

161005565060010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388143364 (or 388143361 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 161005565060010 in words is "one hundred sixty-one trillion, five billion, five hundred sixty-five million, sixty thousand, ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 419 495 838 990 1257 2095 2514 3771 4190 4609 6285 7542 9218 12570 13827 18855 23045 27654 37710 41481 46090 69135 82962 138270 207405 414810 388142921 776285842 1164428763 1940714605 2328857526 3493286289 3881429210 4269572131 5822143815 6986572578 8539144262 11644287630 12808716393 17466431445 21347860655 25617432786 34932862890 38426149179 42695721310 64043581965 76852298358 128087163930 162631883899 192130745895 325263767798 384261491790 487895651697 813159419495 975791303394 1463686955091 1626318838990 1788950722889 2439478258485 2927373910182 3577901445778 4878956516970 5366852168667 7318434775455 8944753614445 10733704337334 14636869550910 16100556506001 17889507228890 26834260843335 32201113012002 53668521686670 80502782530005 161005565060010