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120131264 = 2611170641
BaseRepresentation
bin1110010100100…
…00111011000000
322101001022010002
413022100323000
5221223200024
615530455132
72656045631
oct712207300
9271038102
10120131264
11618a1440
12342944a8
131bb718b6
1411d51888
15a82e6ae
hex7290ec0

120131264 has 28 divisors (see below), whose sum is σ = 260058408. Its totient is φ = 54604800.

The previous prime is 120131261. The next prime is 120131273. The reversal of 120131264 is 462131021.

It is not an unprimeable number, because it can be changed into a prime (120131261) 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 3 ways as a sum of consecutive naturals, for example, 84617 + ... + 86024.

Almost surely, 2120131264 is an apocalyptic number.

It is an amenable number.

120131264 is an abundant number, since it is smaller than the sum of its proper divisors (139927144).

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

120131264 is a wasteful number, since it uses less digits than its factorization.

120131264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170664 (or 170654 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 120131264 is about 10960.4408670454. The cubic root of 120131264 is about 493.4221964751.

Adding to 120131264 its reverse (462131021), we get a palindrome (582262285).

The spelling of 120131264 in words is "one hundred twenty million, one hundred thirty-one thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 170641 341282 682564 1365128 1877051 2730256 3754102 5460512 7508204 10921024 15016408 30032816 60065632 120131264