Base | Representation |
---|---|
bin | 100001110101110111… |
… | …1000100110111101101 |
3 | 20221120210211020200200 |
4 | 1003223233010313231 |
5 | 2142314130310323 |
6 | 53215225544113 |
7 | 5151640513332 |
oct | 1035357046755 |
9 | 227523736620 |
10 | 72674463213 |
11 | 28903926950 |
12 | 12102645039 |
13 | 6b1255c771 |
14 | 3735cbc989 |
15 | 1d552ee443 |
hex | 10ebbc4ded |
72674463213 has 48 divisors (see below), whose sum is σ = 118430287872. Its totient is φ = 42545412000.
The previous prime is 72674463181. The next prime is 72674463247. The reversal of 72674463213 is 31236447627.
72674463213 is a `hidden beast` number, since 7 + 2 + 6 + 7 + 4 + 4 + 632 + 1 + 3 = 666.
It is not a de Polignac number, because 72674463213 - 25 = 72674463181 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72674463263) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1657098 + ... + 1700388.
It is an arithmetic number, because the mean of its divisors is an integer number (2467297664).
Almost surely, 272674463213 is an apocalyptic number.
It is an amenable number.
72674463213 is a deficient number, since it is larger than the sum of its proper divisors (45755824659).
72674463213 is a wasteful number, since it uses less digits than its factorization.
72674463213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43886 (or 43883 counting only the distinct ones).
The product of its digits is 1016064, while the sum is 45.
The spelling of 72674463213 in words is "seventy-two billion, six hundred seventy-four million, four hundred sixty-three thousand, two hundred thirteen".
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