Base | Representation |
---|---|
bin | 1001001001100100011111… |
… | …00000010000100111100111 |
3 | 2122020110022210101110221220 |
4 | 10210302033200100213213 |
5 | 10114121312302204111 |
6 | 110443003300111423 |
7 | 4144424131502550 |
oct | 444621740204747 |
9 | 78213283343856 |
10 | 20120034413031 |
11 | 6457949997183 |
12 | 230b492995573 |
13 | b2c407659937 |
14 | 4d7b59da1327 |
15 | 24d57cd87e06 |
hex | 124c8f8109e7 |
20120034413031 has 16 divisors (see below), whose sum is σ = 30659214432000. Its totient is φ = 11497119631488.
The previous prime is 20120034412997. The next prime is 20120034413077. The reversal of 20120034413031 is 13031443002102.
It is a happy number.
It is not a de Polignac number, because 20120034413031 - 214 = 20120034396647 is a prime.
It is a super-2 number, since 2×201200344130312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20120034412992 and 20120034413010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120034417031) 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, 4488735 + ... + 7771023.
It is an arithmetic number, because the mean of its divisors is an integer number (1916200902000).
Almost surely, 220120034413031 is an apocalyptic number.
20120034413031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
20120034413031 is a deficient number, since it is larger than the sum of its proper divisors (10539180018969).
20120034413031 is a wasteful number, since it uses less digits than its factorization.
20120034413031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3574198.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 20120034413031 its reverse (13031443002102), we get a palindrome (33151477415133).
The spelling of 20120034413031 in words is "twenty trillion, one hundred twenty billion, thirty-four million, four hundred thirteen thousand, thirty-one".
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