Base | Representation |
---|---|
bin | 110000000001100011… |
… | …1001001100110110110 |
3 | 100212012101222000110100 |
4 | 1200003013021212312 |
5 | 3142203120433420 |
6 | 115213344134530 |
7 | 10310456421054 |
oct | 1400307114666 |
9 | 325171860410 |
10 | 103131421110 |
11 | 3a812aa9133 |
12 | 17ba2607446 |
13 | 99574b9543 |
14 | 4dc4cb71d4 |
15 | 2a390dd190 |
hex | 18031c99b6 |
103131421110 has 48 divisors (see below), whose sum is σ = 273200984784. Its totient is φ = 26982810816.
The previous prime is 103131421109. The next prime is 103131421139. The reversal of 103131421110 is 11124131301.
It is a happy number.
103131421110 is a `hidden beast` number, since 1 + 0 + 3 + 131 + 421 + 110 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10805652 + ... + 10815191.
It is an arithmetic number, because the mean of its divisors is an integer number (5691687183).
Almost surely, 2103131421110 is an apocalyptic number.
103131421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103131421110 is an abundant number, since it is smaller than the sum of its proper divisors (170069563674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103131421110 is a wasteful number, since it uses less digits than its factorization.
103131421110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21620909 (or 21620906 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 103131421110 its reverse (11124131301), we get a palindrome (114255552411).
The spelling of 103131421110 in words is "one hundred three billion, one hundred thirty-one million, four hundred twenty-one thousand, one hundred ten".
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