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120985147 = 367132957
BaseRepresentation
bin1110011011000…
…01011000111011
322102122200102101
413031201120323
5221433011042
620001044231
72666233243
oct715413073
9272580371
10120985147
1162324a28
1234626677
131c0b045a
14120d4b23
15a94c6b7
hex736163b

120985147 has 4 divisors (see below), whose sum is σ = 121021776. Its totient is φ = 120948520.

The previous prime is 120985099. The next prime is 120985201. The reversal of 120985147 is 741589021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120985147 - 27 = 120985019 is a prime.

It is a super-2 number, since 2×1209851472 = 29274811589223218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120980147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12808 + ... + 20149.

It is an arithmetic number, because the mean of its divisors is an integer number (30255444).

Almost surely, 2120985147 is an apocalyptic number.

120985147 is a deficient number, since it is larger than the sum of its proper divisors (36629).

120985147 is an equidigital number, since it uses as much as digits as its factorization.

120985147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36628.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 120985147 is about 10999.3248429165. The cubic root of 120985147 is about 494.5885054150.

The spelling of 120985147 in words is "one hundred twenty million, nine hundred eighty-five thousand, one hundred forty-seven".

Divisors: 1 3671 32957 120985147