Base | Representation |
---|---|
bin | 10011010010100011… |
… | …101111111000011110 |
3 | 1222110111010202202021 |
4 | 103102203233320132 |
5 | 314404342040320 |
6 | 13303135450354 |
7 | 1332162653152 |
oct | 232243577036 |
9 | 58414122667 |
10 | 20712455710 |
11 | 88697065a1 |
12 | 40206869ba |
13 | 1c5118856b |
14 | 1006b83062 |
15 | 81359ddaa |
hex | 4d28efe1e |
20712455710 has 32 divisors (see below), whose sum is σ = 38357305632. Its totient is φ = 8049507840.
The previous prime is 20712455707. The next prime is 20712455711. The reversal of 20712455710 is 1755421702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20712455711) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162831 + ... + 260650.
It is an arithmetic number, because the mean of its divisors is an integer number (1198665801).
Almost surely, 220712455710 is an apocalyptic number.
20712455710 is a deficient number, since it is larger than the sum of its proper divisors (17644849922).
20712455710 is a wasteful number, since it uses less digits than its factorization.
20712455710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423628.
The product of its (nonzero) digits is 19600, while the sum is 34.
The spelling of 20712455710 in words is "twenty billion, seven hundred twelve million, four hundred fifty-five thousand, seven hundred ten".
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