Search a number
-
+
120151868 = 2273411479
BaseRepresentation
bin1110010100101…
…01111100111100
322101002100101012
413022111330330
5221224324433
615531134352
72656162664
oct712257474
9271070335
10120151868
1161905971
12342a43b8
131bb7b0a5
1411d591a4
15a835848
hex7295f3c

120151868 has 12 divisors (see below), whose sum is σ = 213146640. Its totient is φ = 59252832.

The previous prime is 120151861. The next prime is 120151919. The reversal of 120151868 is 868151021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120151861) 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, 205448 + ... + 206031.

It is an arithmetic number, because the mean of its divisors is an integer number (17762220).

Almost surely, 2120151868 is an apocalyptic number.

It is an amenable number.

120151868 is a deficient number, since it is larger than the sum of its proper divisors (92994772).

120151868 is a wasteful number, since it uses less digits than its factorization.

120151868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411556 (or 411554 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 120151868 is about 10961.3807524417. The cubic root of 120151868 is about 493.4504042022.

The spelling of 120151868 in words is "one hundred twenty million, one hundred fifty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 73 146 292 411479 822958 1645916 30037967 60075934 120151868