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120142996 = 2237811777
BaseRepresentation
bin1110010100100…
…11110010010100
322101001220012121
413022103302110
5221224033441
615531025324
72656125061
oct712236224
9271056177
10120142996
11618aa236
123429b244
131bb7703c
1411d55c68
15a832dd1
hex7293c94

120142996 has 12 divisors (see below), whose sum is σ = 215932948. Its totient is φ = 58447872.

The previous prime is 120142991. The next prime is 120143003. The reversal of 120142996 is 699241021.

It can be written as a sum of positive squares in 2 ways, for example, as 45562500 + 74580496 = 6750^2 + 8636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142991) 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 3 ways as a sum of consecutive naturals, for example, 405741 + ... + 406036.

Almost surely, 2120142996 is an apocalyptic number.

It is an amenable number.

120142996 is a deficient number, since it is larger than the sum of its proper divisors (95789952).

120142996 is a wasteful number, since it uses less digits than its factorization.

120142996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811818 (or 811816 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 120142996 is about 10960.9760514290. The cubic root of 120142996 is about 493.4382584631.

The spelling of 120142996 in words is "one hundred twenty million, one hundred forty-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 37 74 148 811777 1623554 3247108 30035749 60071498 120142996