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120100053 = 31712311913
BaseRepresentation
bin1110010100010…
…01010011010101
322100222201022010
413022021103111
5221221200203
615530054433
72655555633
oct712112325
9270881263
10120100053
116187aa47
123427a419
131bb60628
1411d44353
15a825303
hex72894d5

120100053 has 16 divisors (see below), whose sum is σ = 169779456. Its totient is φ = 75256320.

The previous prime is 120100051. The next prime is 120100061. The reversal of 120100053 is 350001021.

It is not a de Polignac number, because 120100053 - 21 = 120100051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100051) 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 15 ways as a sum of consecutive naturals, for example, 61825 + ... + 63737.

It is an arithmetic number, because the mean of its divisors is an integer number (10611216).

Almost surely, 2120100053 is an apocalyptic number.

It is an amenable number.

120100053 is a deficient number, since it is larger than the sum of its proper divisors (49679403).

120100053 is a wasteful number, since it uses less digits than its factorization.

120100053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 120100053 is about 10959.0169723383. The cubic root of 120100053 is about 493.3794611827.

Adding to 120100053 its reverse (350001021), we get a palindrome (470101074).

The spelling of 120100053 in words is "one hundred twenty million, one hundred thousand, fifty-three".

Divisors: 1 3 17 51 1231 1913 3693 5739 20927 32521 62781 97563 2354903 7064709 40033351 120100053