Base | Representation |
---|---|
bin | 10010110100001100… |
… | …011101010110101111 |
3 | 1221010222120110120200 |
4 | 102310030131112233 |
5 | 312333434042111 |
6 | 13140421044543 |
7 | 1313435645565 |
oct | 226414352657 |
9 | 57128513520 |
10 | 20203034031 |
11 | 86280a4544 |
12 | 3ab9b56753 |
13 | 1b9c784c0b |
14 | d99257a35 |
15 | 7d39c4256 |
hex | 4b431d5af |
20203034031 has 12 divisors (see below), whose sum is σ = 29254938960. Its totient is φ = 13435099200.
The previous prime is 20203034021. The next prime is 20203034041. The reversal of 20203034031 is 13043030202.
It is an interprime number because it is at equal distance from previous prime (20203034021) and next prime (20203034041).
It is not a de Polignac number, because 20203034031 - 26 = 20203033967 is a prime.
It is a super-2 number, since 2×202030340312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20203033995 and 20203034013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20203034021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2795371 + ... + 2802588.
It is an arithmetic number, because the mean of its divisors is an integer number (2437911580).
Almost surely, 220203034031 is an apocalyptic number.
20203034031 is a deficient number, since it is larger than the sum of its proper divisors (9051904929).
20203034031 is a wasteful number, since it uses less digits than its factorization.
20203034031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5598366 (or 5598363 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20203034031 its reverse (13043030202), we get a palindrome (33246064233).
The spelling of 20203034031 in words is "twenty billion, two hundred three million, thirty-four thousand, thirty-one".
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