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1345163386 = 272177611061
BaseRepresentation
bin101000000101101…
…1001000001111010
310110202011101021011
41100023121001322
510223330212021
6341251304134
745222462100
oct12013310172
93422141234
101345163386
11630345186
123165ab04a
131858bba88
14ca919c70
157d161de1
hex502d907a

1345163386 has 48 divisors (see below), whose sum is σ = 2490853032. Its totient is φ = 541363200.

The previous prime is 1345163381. The next prime is 1345163389. The reversal of 1345163386 is 6833615431.

It can be written as a sum of positive squares in 4 ways, for example, as 999761161 + 345402225 = 31619^2 + 18585^2 .

It is not an unprimeable number, because it can be changed into a prime (1345163381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1267296 + ... + 1268356.

Almost surely, 21345163386 is an apocalyptic number.

1345163386 is a deficient number, since it is larger than the sum of its proper divisors (1145689646).

1345163386 is a wasteful number, since it uses less digits than its factorization.

1345163386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1848 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 1345163386 is about 36676.4691048634. The cubic root of 1345163386 is about 1103.8880007199. Note that the first 3 decimals are identical.

The spelling of 1345163386 in words is "one billion, three hundred forty-five million, one hundred sixty-three thousand, three hundred eighty-six".

Divisors: 1 2 7 14 17 34 49 98 119 238 761 833 1061 1522 1666 2122 5327 7427 10654 12937 14854 18037 25874 36074 37289 51989 74578 90559 103978 126259 181118 252518 633913 807421 883813 1267826 1614842 1767626 5651947 11303894 13726157 27452314 39563629 79127258 96083099 192166198 672581693 1345163386