Base | Representation |
---|---|
bin | 10111010111001000… |
… | …01100110100010100 |
3 | 1012101002010011122110 |
4 | 23223210030310110 |
5 | 201141232220121 |
6 | 5432312031020 |
7 | 622542556566 |
oct | 135344146424 |
9 | 35332104573 |
10 | 12542070036 |
11 | 5356742941 |
12 | 2520392470 |
13 | 124b559722 |
14 | 86da05336 |
15 | 4d6148d76 |
hex | 2eb90cd14 |
12542070036 has 24 divisors (see below), whose sum is σ = 29266745760. Its totient is φ = 4180416352.
The previous prime is 12542070019. The next prime is 12542070049. The reversal of 12542070036 is 63007024521.
It is a junction number, because it is equal to n+sod(n) for n = 12542069985 and 12542070012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253630 + ... + 299018.
It is an arithmetic number, because the mean of its divisors is an integer number (1219447740).
Almost surely, 212542070036 is an apocalyptic number.
It is an amenable number.
12542070036 is an abundant number, since it is smaller than the sum of its proper divisors (16724675724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12542070036 is a wasteful number, since it uses less digits than its factorization.
12542070036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68423 (or 68421 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
Adding to 12542070036 its reverse (63007024521), we get a palindrome (75549094557).
The spelling of 12542070036 in words is "twelve billion, five hundred forty-two million, seventy thousand, thirty-six".
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