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345107384818580 = 22561282874905589
BaseRepresentation
bin100111001110111111001001…
…1000101001101101110010100
31200020220221111000110201110202
41032131332103011031232110
5330213214411003143310
63221552051030240032
7132456120466305626
oct11635762305155624
91606827430421422
10345107384818580
119aa642468876aa
1232858158ab6018
1311a746435036b7
146131402406c16
1529d707d4b63a5
hex139df9314db94

345107384818580 has 24 divisors (see below), whose sum is σ = 736606254156360. Its totient is φ = 135779954682240.

The previous prime is 345107384818579. The next prime is 345107384818591. The reversal of 345107384818580 is 85818483701543.

It can be written as a sum of positive squares in 4 ways, for example, as 1623656995984 + 343483727822596 = 1274228^2 + 18533314^2 .

It is a super-2 number, since 2×3451073848185802 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141437451575 + ... + 141437454014.

It is an arithmetic number, because the mean of its divisors is an integer number (30691927256515).

Almost surely, 2345107384818580 is an apocalyptic number.

It is an amenable number.

345107384818580 is an abundant number, since it is smaller than the sum of its proper divisors (391498869337780).

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

345107384818580 is a wasteful number, since it uses less digits than its factorization.

345107384818580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282874905659 (or 282874905657 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 345107384818580 in words is "three hundred forty-five trillion, one hundred seven billion, three hundred eighty-four million, eight hundred eighteen thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 282874905589 565749811178 1131499622356 1414374527945 2828749055890 5657498111780 17255369240929 34510738481858 69021476963716 86276846204645 172553692409290 345107384818580