Base | Representation |
---|---|
bin | 11101110011111011110111… |
… | …110111001111101010100011 |
3 | 122012020012211201101122222222 |
4 | 131303323313313033222203 |
5 | 114141121023003212011 |
6 | 1142504101205021255 |
7 | 36421360523631215 |
oct | 3563736767175243 |
9 | 565205751348888 |
10 | 131112330132131 |
11 | 3885a4772a4a67 |
12 | 128565460b482b |
13 | 5820abba12c1a |
14 | 2453c2905c5b5 |
15 | 10257ec77bddb |
hex | 773ef7dcfaa3 |
131112330132131 has 4 divisors (see below), whose sum is σ = 131133715284264. Its totient is φ = 131090944980000.
The previous prime is 131112330132097. The next prime is 131112330132187. The reversal of 131112330132131 is 131231033211131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131112330132131 is a prime.
It is a super-2 number, since 2×1311123301321312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131112330132131.
It is not an unprimeable number, because it can be changed into a prime (131112330132191) 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, 10692566870 + ... + 10692579131.
It is an arithmetic number, because the mean of its divisors is an integer number (32783428821066).
Almost surely, 2131112330132131 is an apocalyptic number.
131112330132131 is a deficient number, since it is larger than the sum of its proper divisors (21385152133).
131112330132131 is an equidigital number, since it uses as much as digits as its factorization.
131112330132131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21385152132.
The product of its (nonzero) digits is 972, while the sum is 26.
Adding to 131112330132131 its reverse (131231033211131), we get a palindrome (262343363343262).
The spelling of 131112330132131 in words is "one hundred thirty-one trillion, one hundred twelve billion, three hundred thirty million, one hundred thirty-two thousand, one hundred thirty-one".
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