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151325109 = 32131776081
BaseRepresentation
bin10010000010100…
…00100110110101
3101112202010000200
421001100212311
5302214400414
623003231113
73515146035
oct1101204665
9345663020
10151325109
1178467881
1242818499
13254740b0
14161518c5
15d442109
hex90509b5

151325109 has 24 divisors (see below), whose sum is σ = 249244632. Its totient is φ = 87644160.

The previous prime is 151325107. The next prime is 151325117. The reversal of 151325109 is 901523151.

151325109 is a `hidden beast` number, since 15 + 132 + 510 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 108900 + 151216209 = 330^2 + 12297^2 .

It is not a de Polignac number, because 151325109 - 21 = 151325107 is a prime.

It is a super-2 number, since 2×1513251092 = 45798577227723762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151325107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36052 + ... + 40029.

It is an arithmetic number, because the mean of its divisors is an integer number (10385193).

Almost surely, 2151325109 is an apocalyptic number.

It is an amenable number.

151325109 is a deficient number, since it is larger than the sum of its proper divisors (97919523).

151325109 is a wasteful number, since it uses less digits than its factorization.

151325109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76117 (or 76114 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 151325109 is about 12301.4271123313. The cubic root of 151325109 is about 532.8892980788.

The spelling of 151325109 in words is "one hundred fifty-one million, three hundred twenty-five thousand, one hundred nine".

Divisors: 1 3 9 13 17 39 51 117 153 221 663 1989 76081 228243 684729 989053 1293377 2967159 3880131 8901477 11640393 16813901 50441703 151325109