Base | Representation |
---|---|
bin | 1001001001010100001111… |
… | …01011001101011011000010 |
3 | 2122012121210222202110101210 |
4 | 10210222013223031123002 |
5 | 10114000432130144302 |
6 | 110435002032510550 |
7 | 4143665042023116 |
oct | 444520753153302 |
9 | 78177728673353 |
10 | 20111313131202 |
11 | 6454183a64047 |
12 | 230985a0ab456 |
13 | b2b647865747 |
14 | 4d756d9bd746 |
15 | 24d21c3b466c |
hex | 124a87acd6c2 |
20111313131202 has 16 divisors (see below), whose sum is σ = 41309724269952. Its totient is φ = 6522588042480.
The previous prime is 20111313131197. The next prime is 20111313131237. The reversal of 20111313131202 is 20213131311102.
It is a super-2 number, since 2×201113131312022 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45295750074 + ... + 45295750517.
It is an arithmetic number, because the mean of its divisors is an integer number (2581857766872).
Almost surely, 220111313131202 is an apocalyptic number.
20111313131202 is an abundant number, since it is smaller than the sum of its proper divisors (21198411138750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20111313131202 is a wasteful number, since it uses less digits than its factorization.
20111313131202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90591500633.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 20111313131202 its reverse (20213131311102), we get a palindrome (40324444442304).
It can be divided in two parts, 20111 and 313131202, that added together give a palindrome (313151313).
The spelling of 20111313131202 in words is "twenty trillion, one hundred eleven billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred two".
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