Base | Representation |
---|---|
bin | 10010101010001110… |
… | …110011111111001111 |
3 | 1220201100001002210112 |
4 | 102222032303333033 |
5 | 312013141110423 |
6 | 13112050230235 |
7 | 1306336106000 |
oct | 225216637717 |
9 | 56640032715 |
10 | 20035878863 |
11 | 8551805380 |
12 | 3a71b8537b |
13 | 1b73c5a730 |
14 | d80d851a7 |
15 | 7c3ea6a78 |
hex | 4aa3b3fcf |
20035878863 has 64 divisors (see below), whose sum is σ = 28337971200. Its totient is φ = 13945478400.
The previous prime is 20035878857. The next prime is 20035878881. The reversal of 20035878863 is 36887853002.
It is not a de Polignac number, because 20035878863 - 24 = 20035878847 is a prime.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20035878833) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1513931 + ... + 1527107.
It is an arithmetic number, because the mean of its divisors is an integer number (442780800).
Almost surely, 220035878863 is an apocalyptic number.
20035878863 is a deficient number, since it is larger than the sum of its proper divisors (8302092337).
20035878863 is a wasteful number, since it uses less digits than its factorization.
20035878863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13253 (or 13239 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 50.
It can be divided in two parts, 20035 and 878863, that added together give a palindrome (898898).
The spelling of 20035878863 in words is "twenty billion, thirty-five million, eight hundred seventy-eight thousand, eight hundred sixty-three".
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