Base | Representation |
---|---|
bin | 1000111010100110100… |
… | …0000000110111010001 |
3 | 112122100122210122211121 |
4 | 2032221220000313101 |
5 | 10002142420203121 |
6 | 154210514042241 |
7 | 14031454630051 |
oct | 2165150006721 |
9 | 478318718747 |
10 | 153169694161 |
11 | 59a60332300 |
12 | 25828279381 |
13 | 115a0169a33 |
14 | 75b072b561 |
15 | 3eb6ee3141 |
hex | 23a9a00dd1 |
153169694161 has 27 divisors (see below), whose sum is σ = 172245959067. Its totient is φ = 136102483440.
The previous prime is 153169694143. The next prime is 153169694201. The reversal of 153169694161 is 161496961351.
The square root of 153169694161 is 391369.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 94626988225 + 58542705936 = 307615^2 + 241956^2 .
It is not a de Polignac number, because 153169694161 - 25 = 153169694129 is a prime.
It is a super-3 number, since 3×1531696941613 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 153169694099 and 153169694108.
It is not an unprimeable number, because it can be changed into a prime (153169694101) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 202337395 + ... + 202338151.
Almost surely, 2153169694161 is an apocalyptic number.
153169694161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
153169694161 is the 391369-th square number.
153169694161 is the 195685-th centered octagonal number.
It is an amenable number.
153169694161 is a deficient number, since it is larger than the sum of its proper divisors (19076264906).
153169694161 is an frugal number, since it uses more digits than its factorization.
153169694161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1630 (or 815 counting only the distinct ones).
The product of its digits is 1049760, while the sum is 52.
The spelling of 153169694161 in words is "one hundred fifty-three billion, one hundred sixty-nine million, six hundred ninety-four thousand, one hundred sixty-one".
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