Base | Representation |
---|---|
bin | 110000000000111110… |
… | …1011111101101111100 |
3 | 100212011001122001201220 |
4 | 1200001331133231330 |
5 | 3142133200104040 |
6 | 115211414233340 |
7 | 10310133333210 |
oct | 1400175375574 |
9 | 325131561656 |
10 | 103112113020 |
11 | 3a803110734 |
12 | 17b98055850 |
13 | 99534b9037 |
14 | 4dc24cc940 |
15 | 2a375772d0 |
hex | 1801f5fb7c |
103112113020 has 48 divisors (see below), whose sum is σ = 329958763008. Its totient is φ = 23568482880.
The previous prime is 103112113009. The next prime is 103112113043. The reversal of 103112113020 is 20311211301.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122752096 + ... + 122752935.
It is an arithmetic number, because the mean of its divisors is an integer number (6874140896).
Almost surely, 2103112113020 is an apocalyptic number.
103112113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103112113020 is an abundant number, since it is smaller than the sum of its proper divisors (226846649988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103112113020 is a wasteful number, since it uses less digits than its factorization.
103112113020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245505050 (or 245505048 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 103112113020 its reverse (20311211301), we get a palindrome (123423324321).
The spelling of 103112113020 in words is "one hundred three billion, one hundred twelve million, one hundred thirteen thousand, twenty".
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