Base | Representation |
---|---|
bin | 11101111111010001010… |
… | …00000100000000010111 |
3 | 10122111122100101102201211 |
4 | 32333220220010000113 |
5 | 113340224400000043 |
6 | 2105205332002251 |
7 | 134305162326502 |
oct | 16775050040027 |
9 | 3574570342654 |
10 | 1030400000023 |
11 | 367a98a34959 |
12 | 147846a60387 |
13 | 762214a2234 |
14 | 37c2ba56139 |
15 | 1bc0a553a9d |
hex | efe8a04017 |
1030400000023 has 12 divisors (see below), whose sum is σ = 1086680170800. Its totient is φ = 976877819456.
The previous prime is 1030400000017. The next prime is 1030400000027. The reversal of 1030400000023 is 3200000040301.
It is a de Polignac number, because none of the positive numbers 2k-1030400000023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1030399999949 and 1030400000012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030400000027) 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, 8558923 + ... + 8678476.
It is an arithmetic number, because the mean of its divisors is an integer number (90556680900).
Almost surely, 21030400000023 is an apocalyptic number.
1030400000023 is a deficient number, since it is larger than the sum of its proper divisors (56280170777).
1030400000023 is a wasteful number, since it uses less digits than its factorization.
1030400000023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17237558 (or 17237535 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 1030400000023 its reverse (3200000040301), we get a palindrome (4230400040324).
The spelling of 1030400000023 in words is "one trillion, thirty billion, four hundred million, twenty-three", and thus it is an aban number.
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