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23112440221242 = 23317317325033931
BaseRepresentation
bin1010100000101010010001…
…10010100000111000111010
310000211112020200211211201110
411100111020302200320322
511012133234144034432
6121053413005501150
74603550546262051
oct520251062407072
9100745220754643
1023112440221242
117400a26a68199
1227134195717b6
13cb8655a3c918
1459c910467398
152a131aa40dcc
hex150548ca0e3a

23112440221242 has 128 divisors (see below), whose sum is σ = 48681059991552. Its totient is φ = 7306208294400.

The previous prime is 23112440221237. The next prime is 23112440221291. The reversal of 23112440221242 is 24212204421132.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5879530017 + ... + 5879533947.

It is an arithmetic number, because the mean of its divisors is an integer number (380320781184).

Almost surely, 223112440221242 is an apocalyptic number.

23112440221242 is an abundant number, since it is smaller than the sum of its proper divisors (25568619770310).

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

23112440221242 is a wasteful number, since it uses less digits than its factorization.

23112440221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 23112440221242 its reverse (24212204421132), we get a palindrome (47324644642374).

The spelling of 23112440221242 in words is "twenty-three trillion, one hundred twelve billion, four hundred forty million, two hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 31 62 73 93 146 173 186 219 346 438 519 1038 2263 2503 3931 4526 5006 5363 6789 7509 7862 10726 11793 12629 13578 15018 16089 23586 25258 32178 37887 75774 77593 121861 155186 182719 232779 243722 286963 365438 365583 391499 433019 465558 548157 573926 680063 731166 782998 860889 866038 1096314 1174497 1299057 1360126 1721778 2040189 2348994 2598114 4080378 5664289 8895853 9839293 11328578 13423589 16992867 17791706 19678586 21081953 26687559 26847178 29517879 31610387 33985734 40270767 42163906 49644599 53375118 59035758 63220774 63245859 80541534 94831161 99289198 126491718 148933797 189662322 297867594 305018083 610036166 718268389 915054249 979921997 1436536778 1538982569 1702197689 1830108498 1959843994 2154805167 2939765991 3077965138 3404395378 4309610334 4616947707 5106593067 5879531982 9233895414 10213186134 22266320059 44532640118 52768128359 66798960177 105536256718 124260431297 133597920354 158304385077 248520862594 316608770154 372781293891 745562587782 3852073370207 7704146740414 11556220110621 23112440221242