Base | Representation |
---|---|
bin | 10111011011000001100000… |
… | …010111001001111100001111 |
3 | 111111201212021020000220111001 |
4 | 113123001200113021330033 |
5 | 102000222301222410111 |
6 | 1003031035555041131 |
7 | 30461244113265511 |
oct | 2733014027117417 |
9 | 444655236026431 |
10 | 103012112310031 |
11 | 2a906211973731 |
12 | b67852bba01a7 |
13 | 45630011712b2 |
14 | 1b61b545ddbb1 |
15 | bd98ac56b1c1 |
hex | 5db0605c9f0f |
103012112310031 has 4 divisors (see below), whose sum is σ = 103012370408200. Its totient is φ = 103011854211864.
The previous prime is 103012112310013. The next prime is 103012112310067. The reversal of 103012112310031 is 130013211210301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 103012112310031 - 25 = 103012112309999 is a prime.
It is a super-2 number, since 2×1030121123100312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103012112309990 and 103012112310008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103012112314031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128449476 + ... + 129248953.
It is an arithmetic number, because the mean of its divisors is an integer number (25753092602050).
Almost surely, 2103012112310031 is an apocalyptic number.
103012112310031 is a deficient number, since it is larger than the sum of its proper divisors (258098169).
103012112310031 is an equidigital number, since it uses as much as digits as its factorization.
103012112310031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258098168.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 103012112310031 its reverse (130013211210301), we get a palindrome (233025323520332).
The spelling of 103012112310031 in words is "one hundred three trillion, twelve billion, one hundred twelve million, three hundred ten thousand, thirty-one".
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