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5145163720 = 2351099311701
BaseRepresentation
bin1001100101010110…
…01111011111001000
3111021120112101202021
410302223033133020
541014130214340
62210314414224
7241334112214
oct46253173710
914246471667
105145163720
112200346724
12bb7131374
1363cc56398
1436b48b944
15201a7ce4a
hex132acf7c8

5145163720 has 32 divisors (see below), whose sum is σ = 11578660920. Its totient is φ = 2057702400.

The previous prime is 5145163717. The next prime is 5145163721. The reversal of 5145163720 is 273615415.

It can be written as a sum of positive squares in 4 ways, for example, as 3980852836 + 1164310884 = 63094^2 + 34122^2 .

It is not an unprimeable number, because it can be changed into a prime (5145163721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433870 + ... + 445570.

Almost surely, 25145163720 is an apocalyptic number.

It is an amenable number.

5145163720 is an abundant number, since it is smaller than the sum of its proper divisors (6433497200).

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

5145163720 is a wasteful number, since it uses less digits than its factorization.

5145163720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705 (or 22701 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 5145163720 is about 71729.7965980666. The cubic root of 5145163720 is about 1726.3667633219.

The spelling of 5145163720 in words is "five billion, one hundred forty-five million, one hundred sixty-three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 10993 11701 21986 23402 43972 46804 54965 58505 87944 93608 109930 117010 219860 234020 439720 468040 128629093 257258186 514516372 643145465 1029032744 1286290930 2572581860 5145163720