Base | Representation |
---|---|
bin | 11010001111011110000101… |
… | …001101000111110100000101 |
3 | 120010122022022200202212021000 |
4 | 122033132011031013310011 |
5 | 110111403343030123141 |
6 | 1045243402410043513 |
7 | 33211156260236226 |
oct | 3217360515076405 |
9 | 503568280685230 |
10 | 115412301020421 |
11 | 3385709a151829 |
12 | 10b3b816119599 |
13 | 4c52444302962 |
14 | 206ddb146524d |
15 | d5221370e5b6 |
hex | 68f785347d05 |
115412301020421 has 64 divisors (see below), whose sum is σ = 176485512259840. Its totient is φ = 74511886417920.
The previous prime is 115412301020381. The next prime is 115412301020431. The reversal of 115412301020421 is 124020103214511.
115412301020421 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 1 + 230 + 1 + 0 + 2 + 0 + 421 = 666.
It is not a de Polignac number, because 115412301020421 - 211 = 115412301018373 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115412301020431) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28961946 + ... + 32705028.
It is an arithmetic number, because the mean of its divisors is an integer number (2757586129060).
Almost surely, 2115412301020421 is an apocalyptic number.
It is an amenable number.
115412301020421 is a deficient number, since it is larger than the sum of its proper divisors (61073211239419).
115412301020421 is a wasteful number, since it uses less digits than its factorization.
115412301020421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3743443 (or 3743437 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
Adding to 115412301020421 its reverse (124020103214511), we get a palindrome (239432404234932).
The spelling of 115412301020421 in words is "one hundred fifteen trillion, four hundred twelve billion, three hundred one million, twenty thousand, four hundred twenty-one".
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