Base | Representation |
---|---|
bin | 1001011000001111010… |
… | …0001110101100111010 |
3 | 120101220002200011012220 |
4 | 2112003310032230322 |
5 | 10114441034000304 |
6 | 202004150144510 |
7 | 14432556266226 |
oct | 2260364165472 |
9 | 511802604186 |
10 | 161125296954 |
11 | 62373036446 |
12 | 27288652136 |
13 | 1226a4369cb |
14 | 7b27159786 |
15 | 42d066dad9 |
hex | 2583d0eb3a |
161125296954 has 64 divisors (see below), whose sum is σ = 329369338368. Its totient is φ = 52537400000.
The previous prime is 161125296923. The next prime is 161125296961. The reversal of 161125296954 is 459692521161.
161125296954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1611252969542 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 161125296897 and 161125296906.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21620929 + ... + 21628379.
It is an arithmetic number, because the mean of its divisors is an integer number (5146395912).
Almost surely, 2161125296954 is an apocalyptic number.
161125296954 is an abundant number, since it is smaller than the sum of its proper divisors (168244041414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161125296954 is a wasteful number, since it uses less digits than its factorization.
161125296954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7963.
The product of its digits is 1166400, while the sum is 51.
The spelling of 161125296954 in words is "one hundred sixty-one billion, one hundred twenty-five million, two hundred ninety-six thousand, nine hundred fifty-four".
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