Base | Representation |
---|---|
bin | 10011011010010010… |
… | …00000101000100111 |
3 | 222220020222022102121 |
4 | 21231021000220213 |
5 | 132320234404111 |
6 | 4442022250411 |
7 | 516146102122 |
oct | 115511005047 |
9 | 28806868377 |
10 | 10421013031 |
11 | 4468432370 |
12 | 2029b86a07 |
13 | ca0ca8300 |
14 | 70c0373b9 |
15 | 40ed22871 |
hex | 26d240a27 |
10421013031 has 12 divisors (see below), whose sum is σ = 12310139160. Its totient is φ = 8744904480.
The previous prime is 10421013017. The next prime is 10421013079. The reversal of 10421013031 is 13031012401.
It is not a de Polignac number, because 10421013031 - 211 = 10421010983 is a prime.
It is a super-2 number, since 2×104210130312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10421012996 and 10421013014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10421013731) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800996 + ... + 2804713.
It is an arithmetic number, because the mean of its divisors is an integer number (1025844930).
Almost surely, 210421013031 is an apocalyptic number.
10421013031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10421013031 is a deficient number, since it is larger than the sum of its proper divisors (1889126129).
10421013031 is a wasteful number, since it uses less digits than its factorization.
10421013031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5605746 (or 5605733 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 10421013031 its reverse (13031012401), we get a palindrome (23452025432).
The spelling of 10421013031 in words is "ten billion, four hundred twenty-one million, thirteen thousand, thirty-one".
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