Base | Representation |
---|---|
bin | 11101100011100110111… |
… | …111101010011001100011 |
3 | 21012011121212000011022020 |
4 | 131203212333222121203 |
5 | 231234143100342011 |
6 | 4153024030112523 |
7 | 266512360150251 |
oct | 35434677523143 |
9 | 7164555004266 |
10 | 2031100012131 |
11 | 713426008253 |
12 | 28978334b743 |
13 | 1196bb7b2808 |
14 | 7043d03b5d1 |
15 | 37c78491006 |
hex | 1d8e6fea663 |
2031100012131 has 8 divisors (see below), whose sum is σ = 2708140044480. Its totient is φ = 1354063327272.
The previous prime is 2031100012013. The next prime is 2031100012241. The reversal of 2031100012131 is 1312100011302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2031100012131 - 217 = 2031099881059 is a prime.
It is a super-2 number, since 2×20311000121312 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2031100012131.
It is not an unprimeable number, because it can be changed into a prime (2031100712131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557700 + ... + 2547278.
It is an arithmetic number, because the mean of its divisors is an integer number (338517505560).
Almost surely, 22031100012131 is an apocalyptic number.
2031100012131 is a deficient number, since it is larger than the sum of its proper divisors (677040032349).
2031100012131 is an equidigital number, since it uses as much as digits as its factorization.
2031100012131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1673745.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 2031100012131 its reverse (1312100011302), we get a palindrome (3343200023433).
The spelling of 2031100012131 in words is "two trillion, thirty-one billion, one hundred million, twelve thousand, one hundred thirty-one".
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