Base | Representation |
---|---|
bin | 101111111110110101… |
… | …1111100001111111110 |
3 | 100211222001200210022010 |
4 | 1133331223330033332 |
5 | 3142011320334210 |
6 | 115200333232050 |
7 | 10305302653350 |
oct | 1377553741776 |
9 | 324861623263 |
10 | 103040402430 |
11 | 3a776691489 |
12 | 17b78032626 |
13 | 994169ba34 |
14 | 4db6b830d0 |
15 | 2a3110e920 |
hex | 17fdafc3fe |
103040402430 has 128 divisors (see below), whose sum is σ = 286486244352. Its totient is φ = 23231950848.
The previous prime is 103040402369. The next prime is 103040402467. The reversal of 103040402430 is 34204040301.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 103040402397 and 103040402406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6245352 + ... + 6261828.
It is an arithmetic number, because the mean of its divisors is an integer number (2238173784).
Almost surely, 2103040402430 is an apocalyptic number.
103040402430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 103040402430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143243122176).
103040402430 is an abundant number, since it is smaller than the sum of its proper divisors (183445841922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103040402430 is a wasteful number, since it uses less digits than its factorization.
103040402430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16898.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 103040402430 its reverse (34204040301), we get a palindrome (137244442731).
The spelling of 103040402430 in words is "one hundred three billion, forty million, four hundred two thousand, four hundred thirty".
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