Base | Representation |
---|---|
bin | 100100100000011000101… |
… | …010000011011111110101 |
3 | 22212211022211210210201212 |
4 | 210200120222003133311 |
5 | 312100231143002141 |
6 | 5200245202331205 |
7 | 346150203036464 |
oct | 44403052033765 |
9 | 8784284723655 |
10 | 2508674578421 |
11 | 887a17442460 |
12 | 346246059b05 |
13 | 15274a90358b |
14 | 895c5bb89db |
15 | 453ca45b2eb |
hex | 24818a837f5 |
2508674578421 has 24 divisors (see below), whose sum is σ = 2858811711840. Its totient is φ = 2182597617600.
The previous prime is 2508674578409. The next prime is 2508674578477. The reversal of 2508674578421 is 1248754768052.
It is a de Polignac number, because none of the positive numbers 2k-2508674578421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2508674578621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446891 + ... + 2284088.
It is an arithmetic number, because the mean of its divisors is an integer number (119117154660).
Almost surely, 22508674578421 is an apocalyptic number.
It is an amenable number.
2508674578421 is a deficient number, since it is larger than the sum of its proper divisors (350137133419).
2508674578421 is a wasteful number, since it uses less digits than its factorization.
2508674578421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2731125 (or 2731088 counting only the distinct ones).
The product of its (nonzero) digits is 30105600, while the sum is 59.
The spelling of 2508674578421 in words is "two trillion, five hundred eight billion, six hundred seventy-four million, five hundred seventy-eight thousand, four hundred twenty-one".
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