Base | Representation |
---|---|
bin | 1100010001111… |
… | …01101010100111 |
3 | 21011211121022110 |
4 | 12020331222213 |
5 | 202332404111 |
6 | 14115532103 |
7 | 2360411352 |
oct | 610755247 |
9 | 234747273 |
10 | 103013031 |
11 | 5316a240 |
12 | 2a5ba033 |
13 | 1845a074 |
14 | d977299 |
15 | 909c5a6 |
hex | 623daa7 |
103013031 has 32 divisors (see below), whose sum is σ = 156358656. Its totient is φ = 59760000.
The previous prime is 103013011. The next prime is 103013051. The reversal of 103013031 is 130310301.
It is an interprime number because it is at equal distance from previous prime (103013011) and next prime (103013051).
It is not a de Polignac number, because 103013031 - 25 = 103012999 is a prime.
It is a super-2 number, since 2×1030130312 = 21223369111613922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103012998 and 103013016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103013011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102825 + ... + 103821.
It is an arithmetic number, because the mean of its divisors is an integer number (4886208).
Almost surely, 2103013031 is an apocalyptic number.
103013031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
103013031 is a deficient number, since it is larger than the sum of its proper divisors (53345625).
103013031 is a wasteful number, since it uses less digits than its factorization.
103013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1143.
The product of its (nonzero) digits is 27, while the sum is 12.
The square root of 103013031 is about 10149.5335360794. The cubic root of 103013031 is about 468.7745820353.
Adding to 103013031 its reverse (130310301), we get a palindrome (233323332).
The spelling of 103013031 in words is "one hundred three million, thirteen thousand, thirty-one".
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