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147130161 = 31313171181
BaseRepresentation
bin10001100010100…
…00011100110001
3101020211222122020
420301100130301
5300131131121
622333302053
73434404623
oct1061203461
9336758566
10147130161
1176062082
1241334929
1324635889
141577cc13
15cdb41c6
hex8c50731

147130161 has 16 divisors (see below), whose sum is σ = 198462528. Its totient is φ = 96948800.

The previous prime is 147130147. The next prime is 147130171. The reversal of 147130161 is 161031741.

It is a cyclic number.

It is not a de Polignac number, because 147130161 - 26 = 147130097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147130111) 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 15 ways as a sum of consecutive naturals, for example, 123991 + ... + 125171.

It is an arithmetic number, because the mean of its divisors is an integer number (12403908).

Almost surely, 2147130161 is an apocalyptic number.

It is an amenable number.

147130161 is a deficient number, since it is larger than the sum of its proper divisors (51332367).

147130161 is a wasteful number, since it uses less digits than its factorization.

147130161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 147130161 is about 12129.7222144615. The cubic root of 147130161 is about 527.9189319694.

The spelling of 147130161 in words is "one hundred forty-seven million, one hundred thirty thousand, one hundred sixty-one".

Divisors: 1 3 131 317 393 951 1181 3543 41527 124581 154711 374377 464133 1123131 49043387 147130161