Base | Representation |
---|---|
bin | 10111001111001111111111… |
… | …010111110001101101010001 |
3 | 111101212111212222020120101121 |
4 | 113033033333113301231101 |
5 | 101343443301443400223 |
6 | 1001211231355402241 |
7 | 30345632250504355 |
oct | 2717177727615521 |
9 | 441774788216347 |
10 | 102203031231313 |
11 | 2a624075780101 |
12 | b567770453381 |
13 | 45049209c727c |
14 | 1b34920199465 |
15 | bc3806dd415d |
hex | 5cf3ff5f1b51 |
102203031231313 has 4 divisors (see below), whose sum is σ = 102203604653220. Its totient is φ = 102202457809408.
The previous prime is 102203031231239. The next prime is 102203031231331. The reversal of 102203031231313 is 313132130302201.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1417735531969 + 100785295699344 = 1190687^2 + 10039188^2 .
It is a cyclic number.
It is not a de Polignac number, because 102203031231313 - 29 = 102203031230801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102203031231373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286443520 + ... + 286800097.
It is an arithmetic number, because the mean of its divisors is an integer number (25550901163305).
Almost surely, 2102203031231313 is an apocalyptic number.
It is an amenable number.
102203031231313 is a deficient number, since it is larger than the sum of its proper divisors (573421907).
102203031231313 is an equidigital number, since it uses as much as digits as its factorization.
102203031231313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 573421906.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 102203031231313 its reverse (313132130302201), we get a palindrome (415335161533514).
The spelling of 102203031231313 in words is "one hundred two trillion, two hundred three billion, thirty-one million, two hundred thirty-one thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •