Base | Representation |
---|---|
bin | 10011000100010001… |
… | …001101000111100111 |
3 | 1221211210000121112200 |
4 | 103010101031013213 |
5 | 313412003314303 |
6 | 13223253145543 |
7 | 1323222123651 |
oct | 230421150747 |
9 | 57753017480 |
10 | 20472713703 |
11 | 8756349902 |
12 | 3b7432b2b3 |
13 | 1c135c7ca0 |
14 | dc2db76d1 |
15 | 7ec4e43a3 |
hex | 4c444d1e7 |
20472713703 has 48 divisors (see below), whose sum is σ = 32693685024. Its totient is φ = 12265344000.
The previous prime is 20472713671. The next prime is 20472713713. The reversal of 20472713703 is 30731727402.
It is a happy number.
It is not a de Polignac number, because 20472713703 - 25 = 20472713671 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20472713713) 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, 1568203 + ... + 1581203.
It is an arithmetic number, because the mean of its divisors is an integer number (681118438).
Almost surely, 220472713703 is an apocalyptic number.
20472713703 is a deficient number, since it is larger than the sum of its proper divisors (12220971321).
20472713703 is a wasteful number, since it uses less digits than its factorization.
20472713703 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13376 (or 13373 counting only the distinct ones).
The product of its (nonzero) digits is 49392, while the sum is 36.
The spelling of 20472713703 in words is "twenty billion, four hundred seventy-two million, seven hundred thirteen thousand, seven hundred three".
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