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13374951642 = 2321357157913
BaseRepresentation
bin11000111010011010…
…11001000011011010
31021112010022221102100
430131031121003122
5204342441423032
610051103344230
7652305133053
oct143515310332
937463287370
1013374951642
1157438a2148
1227132b2076
131351c83090
1490c48d72a
1553431897c
hex31d3590da

13374951642 has 24 divisors (see below), whose sum is σ = 31208221044. Its totient is φ = 4115369664.

The previous prime is 13374951619. The next prime is 13374951661. The reversal of 13374951642 is 24615947331.

13374951642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13121473401 + 253478241 = 114549^2 + 15921^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28578723 + ... + 28579190.

Almost surely, 213374951642 is an apocalyptic number.

13374951642 is an abundant number, since it is smaller than the sum of its proper divisors (17833269402).

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

13374951642 is a wasteful number, since it uses less digits than its factorization.

13374951642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57157934 (or 57157931 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 13374951642 in words is "thirteen billion, three hundred seventy-four million, nine hundred fifty-one thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 57157913 114315826 171473739 342947478 514421217 743052869 1028842434 1486105738 2229158607 4458317214 6687475821 13374951642