Base | Representation |
---|---|
bin | 100000001011001100… |
… | …0010011001011110000 |
3 | 20121100100022220112022 |
4 | 1000112120103023300 |
5 | 2113001301224040 |
6 | 51424120251012 |
7 | 4664144226566 |
oct | 1002630231360 |
9 | 217310286468 |
10 | 69094945520 |
11 | 27337328267 |
12 | 11483910a68 |
13 | 6691aa1463 |
14 | 34b6741a36 |
15 | 1be5e366b5 |
hex | 10166132f0 |
69094945520 has 160 divisors (see below), whose sum is σ = 183889569600. Its totient is φ = 23976787968.
The previous prime is 69094945487. The next prime is 69094945523. The reversal of 69094945520 is 2554949096.
It is a happy number.
It is a super-2 number, since 2×690949455202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69094945523) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919946 + ... + 992214.
It is an arithmetic number, because the mean of its divisors is an integer number (1149309810).
Almost surely, 269094945520 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69094945520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91944784800).
69094945520 is an abundant number, since it is smaller than the sum of its proper divisors (114794624080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69094945520 is a wasteful number, since it uses less digits than its factorization.
69094945520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72355 (or 72349 counting only the distinct ones).
The product of its (nonzero) digits is 3499200, while the sum is 53.
The spelling of 69094945520 in words is "sixty-nine billion, ninety-four million, nine hundred forty-five thousand, five hundred twenty".
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