Base | Representation |
---|---|
bin | 111010110100010101… |
… | …1100011010100000001 |
3 | 110002000210010000012211 |
4 | 1311220223203110001 |
5 | 4032140414031011 |
6 | 134005352022121 |
7 | 12061041553144 |
oct | 1655053432401 |
9 | 402023100184 |
10 | 126310298881 |
11 | 49627964068 |
12 | 20591091941 |
13 | bbac648830 |
14 | 618344a05b |
15 | 3443e83b21 |
hex | 1d68ae3501 |
126310298881 has 16 divisors (see below), whose sum is σ = 137327400000. Its totient is φ = 115479517248.
The previous prime is 126310298861. The next prime is 126310298893. The reversal of 126310298881 is 188892013621.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 126310298881 - 219 = 126309774593 is a prime.
It is a super-2 number, since 2×1263102988812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (126310298831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10425055 + ... + 10437163.
It is an arithmetic number, because the mean of its divisors is an integer number (8582962500).
Almost surely, 2126310298881 is an apocalyptic number.
It is an amenable number.
126310298881 is a deficient number, since it is larger than the sum of its proper divisors (11017101119).
126310298881 is a wasteful number, since it uses less digits than its factorization.
126310298881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19728.
The product of its (nonzero) digits is 331776, while the sum is 49.
The spelling of 126310298881 in words is "one hundred twenty-six billion, three hundred ten million, two hundred ninety-eight thousand, eight hundred eighty-one".
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