Base | Representation |
---|---|
bin | 11101110101011000101101… |
… | …011011010010010011110011 |
3 | 122012120202010210100001201212 |
4 | 131311120231123102103303 |
5 | 114144234200313123103 |
6 | 1143021544443150335 |
7 | 36431520000330560 |
oct | 3565305533222363 |
9 | 565522123301655 |
10 | 131212013020403 |
11 | 3889877a729357 |
12 | 128719258153ab |
13 | 582a316912c93 |
14 | 24589a3d33867 |
15 | 10281d3c277d8 |
hex | 77562d6d24f3 |
131212013020403 has 8 divisors (see below), whose sum is σ = 151332334808160. Its totient is φ = 111435628357440.
The previous prime is 131212013020379. The next prime is 131212013020421. The reversal of 131212013020403 is 304020310212131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131212013020403 - 26 = 131212013020339 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131212013020493) 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, 85984280378 + ... + 85984281903.
It is an arithmetic number, because the mean of its divisors is an integer number (18916541851020).
Almost surely, 2131212013020403 is an apocalyptic number.
131212013020403 is a deficient number, since it is larger than the sum of its proper divisors (20120321787757).
131212013020403 is a wasteful number, since it uses less digits than its factorization.
131212013020403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171968562397.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 131212013020403 its reverse (304020310212131), we get a palindrome (435232323232534).
The spelling of 131212013020403 in words is "one hundred thirty-one trillion, two hundred twelve billion, thirteen million, twenty thousand, four hundred three".
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