Base | Representation |
---|---|
bin | 10010001000001… |
… | …01100001110001 |
3 | 101121010202120001 |
4 | 21010011201301 |
5 | 302412104121 |
6 | 23031150001 |
7 | 3524353402 |
oct | 1104054161 |
9 | 347122501 |
10 | 152066161 |
11 | 78923615 |
12 | 42b15301 |
13 | 256734a0 |
14 | 162a59a9 |
15 | d53b991 |
hex | 9105871 |
152066161 has 4 divisors (see below), whose sum is σ = 163763572. Its totient is φ = 140368752.
The previous prime is 152066149. The next prime is 152066183. The reversal of 152066161 is 161660251.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161660251 = 103 ⋅1569517.
It can be written as a sum of positive squares in 2 ways, for example, as 30735936 + 121330225 = 5544^2 + 11015^2 .
It is a cyclic number.
It is not a de Polignac number, because 152066161 - 223 = 143677553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152066141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5848686 + ... + 5848711.
It is an arithmetic number, because the mean of its divisors is an integer number (40940893).
Almost surely, 2152066161 is an apocalyptic number.
It is an amenable number.
152066161 is a deficient number, since it is larger than the sum of its proper divisors (11697411).
152066161 is a wasteful number, since it uses less digits than its factorization.
152066161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11697410.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 152066161 is about 12331.5108968853. The cubic root of 152066161 is about 533.7577501448.
The spelling of 152066161 in words is "one hundred fifty-two million, sixty-six thousand, one hundred sixty-one".
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