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150115161 = 377148341
BaseRepresentation
bin10001111001010…
…01001101011001
3101110110122021210
420330221031121
5301412141121
622521253333
73501646350
oct1074511531
9343418253
10150115161
1177810819
1242334249
132513c451
1415d18997
15d2a3876
hex8f29359

150115161 has 8 divisors (see below), whose sum is σ = 228746944. Its totient is φ = 85780080.

The previous prime is 150115159. The next prime is 150115171. The reversal of 150115161 is 161511051.

It is a happy number.

150115161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 150115161 - 21 = 150115159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 7148341 = 150115161 / (1 + 5 + 0 + 1 + 1 + 5 + 1 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150115171) 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, 3574150 + ... + 3574191.

It is an arithmetic number, because the mean of its divisors is an integer number (28593368).

Almost surely, 2150115161 is an apocalyptic number.

It is an amenable number.

150115161 is a deficient number, since it is larger than the sum of its proper divisors (78631783).

150115161 is an equidigital number, since it uses as much as digits as its factorization.

150115161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148351.

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 150115161 is about 12252.1492400313. The cubic root of 150115161 is about 531.4652240568.

The spelling of 150115161 in words is "one hundred fifty million, one hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 3 7 21 7148341 21445023 50038387 150115161