Base | Representation |
---|---|
bin | 10011000000101001… |
… | …100111001011010111 |
3 | 1221200112210012011021 |
4 | 103000221213023113 |
5 | 313300433044111 |
6 | 13213244022011 |
7 | 1321554106630 |
oct | 230051471327 |
9 | 57615705137 |
10 | 20412003031 |
11 | 8725052aa2 |
12 | 3b57b31907 |
13 | 1c03b5c704 |
14 | db8cd2887 |
15 | 7e7000d71 |
hex | 4c0a672d7 |
20412003031 has 16 divisors (see below), whose sum is σ = 24564021760. Its totient is φ = 16569606240.
The previous prime is 20412003019. The next prime is 20412003089. The reversal of 20412003031 is 13030021402.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 20412003031 - 225 = 20378448599 is a prime.
It is a super-2 number, since 2×204120030312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20412002996 and 20412003014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20412003011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398950 + ... + 447196.
It is an arithmetic number, because the mean of its divisors is an integer number (1535251360).
Almost surely, 220412003031 is an apocalyptic number.
20412003031 is a deficient number, since it is larger than the sum of its proper divisors (4152018729).
20412003031 is a wasteful number, since it uses less digits than its factorization.
20412003031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51454.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20412003031 its reverse (13030021402), we get a palindrome (33442024433).
The spelling of 20412003031 in words is "twenty billion, four hundred twelve million, three thousand, thirty-one".
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