Base | Representation |
---|---|
bin | 10111011011010011000111… |
… | …011011010001100001100101 |
3 | 111111210200002000122201221001 |
4 | 113123103013123101201211 |
5 | 102001030012423441401 |
6 | 1003043444152353301 |
7 | 30462513520201441 |
oct | 2733230733214145 |
9 | 444720060581831 |
10 | 103031021312101 |
11 | 2a913235576873 |
12 | b6801286a5831 |
13 | 4564a257ca80c |
14 | 1b62a29a4b821 |
15 | bda11762d601 |
hex | 5db4c76d1865 |
103031021312101 has 4 divisors (see below), whose sum is σ = 103713345956704. Its totient is φ = 102348696667500.
The previous prime is 103031021311979. The next prime is 103031021312189. The reversal of 103031021312101 is 101213120130301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 103031021312101 - 217 = 103031021181029 is a prime.
It is a super-2 number, since 2×1030310213121012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103031021312201) 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, 341162322075 + ... + 341162322376.
It is an arithmetic number, because the mean of its divisors is an integer number (25928336489176).
Almost surely, 2103031021312101 is an apocalyptic number.
It is an amenable number.
103031021312101 is a deficient number, since it is larger than the sum of its proper divisors (682324644603).
103031021312101 is an equidigital number, since it uses as much as digits as its factorization.
103031021312101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 682324644602.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 103031021312101 its reverse (101213120130301), we get a palindrome (204244141442402).
The spelling of 103031021312101 in words is "one hundred three trillion, thirty-one billion, twenty-one million, three hundred twelve thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.105 sec. • engine limits •