Base | Representation |
---|---|
bin | 10010110100110011… |
… | …001111010010100000 |
3 | 1221011200200221201020 |
4 | 102310303033102200 |
5 | 312344034400112 |
6 | 13141423005440 |
7 | 1313621236224 |
oct | 226463172240 |
9 | 57150627636 |
10 | 20213200032 |
11 | 86329083a3 |
12 | 3b01439880 |
13 | 1ba19041bc |
14 | d9a742784 |
15 | 7d483148c |
hex | 4b4ccf4a0 |
20213200032 has 72 divisors (see below), whose sum is σ = 55467032544. Its totient is φ = 6444772224.
The previous prime is 20213200019. The next prime is 20213200057. The reversal of 20213200032 is 23000231202.
It is a junction number, because it is equal to n+sod(n) for n = 20213199984 and 20213200020.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148228 + ... + 249795.
It is an arithmetic number, because the mean of its divisors is an integer number (770375452).
Almost surely, 220213200032 is an apocalyptic number.
It is an amenable number.
20213200032 is an abundant number, since it is smaller than the sum of its proper divisors (35253832512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20213200032 is a wasteful number, since it uses less digits than its factorization.
20213200032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398082 (or 398051 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20213200032 its reverse (23000231202), we get a palindrome (43213431234).
The spelling of 20213200032 in words is "twenty billion, two hundred thirteen million, two hundred thousand, thirty-two".
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