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13873589140 = 225701989557
BaseRepresentation
bin11001110101110111…
…00010101110010100
31022210212121100110211
430322323202232110
5211403114323030
610212355055204
71000541363515
oct147273425624
938725540424
1013873589140
11597a308954
1228322a1504
13140137bc58
149587aca0c
15562eb312a
hex33aee2b94

13873589140 has 24 divisors (see below), whose sum is σ = 29176128072. Its totient is φ = 5541513600.

The previous prime is 13873589137. The next prime is 13873589173. The reversal of 13873589140 is 4198537831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8213434384 + 5660154756 = 90628^2 + 75234^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480759 + ... + 508798.

It is an arithmetic number, because the mean of its divisors is an integer number (1215672003).

Almost surely, 213873589140 is an apocalyptic number.

13873589140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13873589140 is an abundant number, since it is smaller than the sum of its proper divisors (15302538932).

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

13873589140 is a wasteful number, since it uses less digits than its factorization.

13873589140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990267 (or 990265 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 13873589140 in words is "thirteen billion, eight hundred seventy-three million, five hundred eighty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 701 1402 2804 3505 7010 14020 989557 1979114 3958228 4947785 9895570 19791140 693679457 1387358914 2774717828 3468397285 6936794570 13873589140