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120013960 = 23511272759
BaseRepresentation
bin1110010011101…
…00010010001000
322100211100012111
413021310102020
5221210421320
615524152104
72655046633
oct711642210
9270740174
10120013960
11618212a0
1234238634
131bb303a1
1411d20c1a
15a809a5a
hex7274488

120013960 has 32 divisors (see below), whose sum is σ = 294580800. Its totient is φ = 43641280.

The previous prime is 120013939. The next prime is 120013961. The reversal of 120013960 is 69310021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120013961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135940 + ... + 136819.

It is an arithmetic number, because the mean of its divisors is an integer number (9205650).

Almost surely, 2120013960 is an apocalyptic number.

120013960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120013960 is an abundant number, since it is smaller than the sum of its proper divisors (174566840).

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

120013960 is a wasteful number, since it uses less digits than its factorization.

120013960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272781 (or 272777 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 120013960 is about 10955.0883154815. The cubic root of 120013960 is about 493.2615409692.

Adding to 120013960 its reverse (69310021), we get a palindrome (189323981).

The spelling of 120013960 in words is "one hundred twenty million, thirteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 272759 545518 1091036 1363795 2182072 2727590 3000349 5455180 6000698 10910360 12001396 15001745 24002792 30003490 60006980 120013960