Base | Representation |
---|---|
bin | 111010101111010111… |
… | …1101000110101000000 |
3 | 110001121011102201102222 |
4 | 1311132233220311000 |
5 | 4031320230113023 |
6 | 133541035030212 |
7 | 12053645614340 |
oct | 1653657506500 |
9 | 401534381388 |
10 | 126143597888 |
11 | 49551855150 |
12 | 2054529b368 |
13 | bb83c4cca9 |
14 | 6169254d20 |
15 | 3434505cc8 |
hex | 1d5ebe8d40 |
126143597888 has 224 divisors, whose sum is σ = 326269624320. Its totient is φ = 46920867840.
The previous prime is 126143597869. The next prime is 126143597953. The reversal of 126143597888 is 888795341621.
It is a Cunningham number, because it is equal to 3551672-1.
It is a tau number, because it is divible by the number of its divisors (224).
It is a self number, because there is not a number n which added to its sum of digits gives 126143597888.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114363545 + ... + 114364647.
Almost surely, 2126143597888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 126143597888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163134812160).
126143597888 is an abundant number, since it is smaller than the sum of its proper divisors (200126026432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126143597888 is a wasteful number, since it uses less digits than its factorization.
126143597888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2165 (or 2155 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 62.
The spelling of 126143597888 in words is "one hundred twenty-six billion, one hundred forty-three million, five hundred ninety-seven thousand, eight hundred eighty-eight".
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