Base | Representation |
---|---|
bin | 10011000011101110… |
… | …101001010101000010 |
3 | 1221211010222100020220 |
4 | 103003232221111002 |
5 | 313402143413320 |
6 | 13222331043510 |
7 | 1323052122306 |
oct | 230356512502 |
9 | 57733870226 |
10 | 20463654210 |
11 | 875122131a |
12 | 3b712a0596 |
13 | 1c1177553c |
14 | dc1ad9d06 |
15 | 7eb804e40 |
hex | 4c3ba9542 |
20463654210 has 16 divisors (see below), whose sum is σ = 49112770176. Its totient is φ = 5456974448.
The previous prime is 20463654193. The next prime is 20463654217. The reversal of 20463654210 is 1245636402.
It is a super-2 number, since 2×204636542102 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20463654217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341060874 + ... + 341060933.
It is an arithmetic number, because the mean of its divisors is an integer number (3069548136).
Almost surely, 220463654210 is an apocalyptic number.
20463654210 is an abundant number, since it is smaller than the sum of its proper divisors (28649115966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20463654210 is a wasteful number, since it uses less digits than its factorization.
20463654210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 682121817.
The product of its (nonzero) digits is 34560, while the sum is 33.
The spelling of 20463654210 in words is "twenty billion, four hundred sixty-three million, six hundred fifty-four thousand, two hundred ten".
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