Search a number
-
+
159005161 = 786326321
BaseRepresentation
bin10010111101000…
…11100111101001
3102002012022002001
421132203213221
5311201131121
623440011001
73640343620
oct1136434751
9362168061
10159005161
1181832a27
1245300a61
1326c329c3
14171906b7
15de5c991
hex97a39e9

159005161 has 8 divisors (see below), whose sum is σ = 181937664. Its totient is φ = 136127040.

The previous prime is 159005159. The next prime is 159005221. The reversal of 159005161 is 161500951.

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

It is not a de Polignac number, because 159005161 - 21 = 159005159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159005111) 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, 7120 + ... + 19201.

It is an arithmetic number, because the mean of its divisors is an integer number (22742208).

Almost surely, 2159005161 is an apocalyptic number.

It is an amenable number.

159005161 is a deficient number, since it is larger than the sum of its proper divisors (22932503).

159005161 is an equidigital number, since it uses as much as digits as its factorization.

159005161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27191.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 159005161 is about 12609.7248582195. The cubic root of 159005161 is about 541.7560130119.

The spelling of 159005161 in words is "one hundred fifty-nine million, five thousand, one hundred sixty-one".

Divisors: 1 7 863 6041 26321 184247 22715023 159005161