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142105335717244 = 221719192411183993
BaseRepresentation
bin100000010011111001111010…
…000011100101110101111100
3200122011010201011211020212011
4200103321322003211311330
5122111223211420422434
61222122142350021004
741634525456436444
oct4023717203456574
9618133634736764
10142105335717244
11413085973744a9
1213b30b714a7764
13613a625038233
142713d136cd124
151166744d71e64
hex813e7a0e5d7c

142105335717244 has 48 divisors (see below), whose sum is σ = 264720295881216. Its totient is φ = 66515723366400.

The previous prime is 142105335717229. The next prime is 142105335717281. The reversal of 142105335717244 is 442717533501241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119430112 + ... + 120614104.

It is an arithmetic number, because the mean of its divisors is an integer number (5515006164192).

Almost surely, 2142105335717244 is an apocalyptic number.

It is an amenable number.

142105335717244 is a deficient number, since it is larger than the sum of its proper divisors (122614960163972).

142105335717244 is a wasteful number, since it uses less digits than its factorization.

142105335717244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193446 (or 1193444 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 142105335717244 in words is "one hundred forty-two trillion, one hundred five billion, three hundred thirty-five million, seven hundred seventeen thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 68 191 382 764 3247 6494 9241 12988 18482 36964 157097 314194 628388 1183993 1765031 2367986 3530062 4735972 7060124 20127881 30005527 40255762 60011054 80511524 120022108 226142663 452285326 904570652 3844425271 7688850542 10941279313 15377701084 21882558626 43765117252 186001748321 372003496642 744006993284 2089784348783 4179568697566 8359137395132 35526333929311 71052667858622 142105335717244