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120143151 = 3215785027
BaseRepresentation
bin1110010100100…
…11110100101111
322101001220102100
413022103310233
5221224040101
615531030143
72656125402
oct712236457
9271056370
10120143151
11618aa367
123429b353
131bb7712b
1411d55d39
15a832e86
hex7293d2f

120143151 has 12 divisors (see below), whose sum is σ = 174647512. Its totient is φ = 79584336.

The previous prime is 120143141. The next prime is 120143159. The reversal of 120143151 is 151341021.

It is not a de Polignac number, because 120143151 - 25 = 120143119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41101 + ... + 43926.

Almost surely, 2120143151 is an apocalyptic number.

120143151 is a deficient number, since it is larger than the sum of its proper divisors (54504361).

120143151 is a wasteful number, since it uses less digits than its factorization.

120143151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85190 (or 85187 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 120143151 is about 10960.9831219649. The cubic root of 120143151 is about 493.4384706627.

Adding to 120143151 its reverse (151341021), we get a palindrome (271484172).

The spelling of 120143151 in words is "one hundred twenty million, one hundred forty-three thousand, one hundred fifty-one".

Divisors: 1 3 9 157 471 1413 85027 255081 765243 13349239 40047717 120143151