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120118930 = 2541292973
BaseRepresentation
bin1110010100011…
…01111010010010
322101000200012021
413022031322102
5221222301210
615530322054
72655664651
oct712157222
9271020167
10120118930
1161893148
123428932a
131bb690b9
1411d4b198
15a82abda
hex728de92

120118930 has 16 divisors (see below), whose sum is σ = 221488344. Its totient is φ = 46875520.

The previous prime is 120118919. The next prime is 120118951. The reversal of 120118930 is 39811021.

It can be written as a sum of positive squares in 4 ways, for example, as 76440049 + 43678881 = 8743^2 + 6609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120118895 and 120118904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146077 + ... + 146896.

Almost surely, 2120118930 is an apocalyptic number.

120118930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120118930 is a deficient number, since it is larger than the sum of its proper divisors (101369414).

120118930 is a wasteful number, since it uses less digits than its factorization.

120118930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293021.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 120118930 is about 10959.8781927538. The cubic root of 120118930 is about 493.4053091762.

Adding to 120118930 its reverse (39811021), we get a palindrome (159929951).

The spelling of 120118930 in words is "one hundred twenty million, one hundred eighteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 292973 585946 1464865 2929730 12011893 24023786 60059465 120118930