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120480812 = 2230120203
BaseRepresentation
bin1110010111001…
…10010000101100
322101201001121022
413023212100230
5221320341222
615542153312
72662033004
oct713462054
9271631538
10120480812
1162010021
1234422838
131bc64a2a
1412003004
15a89d042
hex72e642c

120480812 has 6 divisors (see below), whose sum is σ = 210841428. Its totient is φ = 60240404.

The previous prime is 120480803. The next prime is 120480817. The reversal of 120480812 is 218084021.

It is not an unprimeable number, because it can be changed into a prime (120480817) 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 as a sum of consecutive naturals, namely, 15060098 + ... + 15060105.

It is an arithmetic number, because the mean of its divisors is an integer number (35140238).

Almost surely, 2120480812 is an apocalyptic number.

It is an amenable number.

120480812 is a deficient number, since it is larger than the sum of its proper divisors (90360616).

120480812 is a wasteful number, since it uses less digits than its factorization.

120480812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30120207 (or 30120205 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 120480812 is about 10976.3751758037. The cubic root of 120480812 is about 493.9003060635.

The spelling of 120480812 in words is "one hundred twenty million, four hundred eighty thousand, eight hundred twelve".

Divisors: 1 2 4 30120203 60240406 120480812