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120151055 = 5137175403
BaseRepresentation
bin1110010100101…
…01110000001111
322101002022021002
413022111300033
5221224313210
615531130515
72656160423
oct712256017
9271068232
10120151055
11619052a2
12342a3a3b
131bb7a8cb
1411d58b83
15a8354a5
hex7295c0f

120151055 has 8 divisors (see below), whose sum is σ = 145234512. Its totient is φ = 95418688.

The previous prime is 120151051. The next prime is 120151063. The reversal of 120151055 is 550151021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120151055 - 22 = 120151051 is a prime.

It is a super-2 number, since 2×1201510552 = 28872552035226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120151051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87017 + ... + 88386.

It is an arithmetic number, because the mean of its divisors is an integer number (18154314).

Almost surely, 2120151055 is an apocalyptic number.

120151055 is a deficient number, since it is larger than the sum of its proper divisors (25083457).

120151055 is a wasteful number, since it uses less digits than its factorization.

120151055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175545.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 120151055 is about 10961.3436676349. The cubic root of 120151055 is about 493.4492912328.

The spelling of 120151055 in words is "one hundred twenty million, one hundred fifty-one thousand, fifty-five".

Divisors: 1 5 137 685 175403 877015 24030211 120151055