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142354555044655 = 5509769293924749
BaseRepresentation
bin100000010111100010000000…
…101011111000001100101111
3200200000221222200221211111211
4200113202000223320030233
5122124314112042412110
61222432440233055251
741661530402661022
oct4027420053701457
9620027880854454
10142354555044655
11413a4256168898
1213b71324557527
136157c91450485
142721dd65671b9
15116ce7e38098a
hex817880af832f

142354555044655 has 32 divisors (see below), whose sum is σ = 171448893000000. Its totient is φ = 113468894183424.

The previous prime is 142354555044649. The next prime is 142354555044719. The reversal of 142354555044655 is 556440555453241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142354555044655 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142354555044655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5751919221 + ... + 5751943969.

It is an arithmetic number, because the mean of its divisors is an integer number (5357777906250).

Almost surely, 2142354555044655 is an apocalyptic number.

142354555044655 is a deficient number, since it is larger than the sum of its proper divisors (29094337955345).

142354555044655 is a wasteful number, since it uses less digits than its factorization.

142354555044655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28971.

The product of its (nonzero) digits is 144000000, while the sum is 58.

The spelling of 142354555044655 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred fifty-five million, forty-four thousand, six hundred fifty-five".

Divisors: 1 5 509 769 2545 2939 3845 14695 24749 123745 391421 1495951 1957105 2260091 7479755 11300455 12597241 19031981 62986205 72737311 95159905 363686555 1150386319 5751931595 9687278329 37023291299 48436391645 55934992159 185116456495 279674960795 28470911008931 142354555044655