Base | Representation |
---|---|
bin | 1001000110011101100011… |
… | …00101111000110000111010 |
3 | 2121212020122120001102011111 |
4 | 10203032301211320300322 |
5 | 10110344044411144010 |
6 | 110321541340350534 |
7 | 4133623356206440 |
oct | 443166145706072 |
9 | 77766576042144 |
10 | 20013232131130 |
11 | 6416622880aa7 |
12 | 22b2846b4544a |
13 | b223167aca24 |
14 | 4d2907770b90 |
15 | 24a8cb88c58a |
hex | 1233b1978c3a |
20013232131130 has 192 divisors, whose sum is σ = 44361645788160. Its totient is φ = 6365528211456.
The previous prime is 20013232131049. The next prime is 20013232131131. The reversal of 20013232131130 is 3113123231002.
It is not an unprimeable number, because it can be changed into a prime (20013232131131) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3046614486 + ... + 3046621054.
It is an arithmetic number, because the mean of its divisors is an integer number (231050238480).
Almost surely, 220013232131130 is an apocalyptic number.
20013232131130 is an abundant number, since it is smaller than the sum of its proper divisors (24348413657030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013232131130 is a wasteful number, since it uses less digits than its factorization.
20013232131130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8753 (or 8736 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 20013232131130 its reverse (3113123231002), we get a palindrome (23126355362132).
The spelling of 20013232131130 in words is "twenty trillion, thirteen billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred thirty".
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