Base | Representation |
---|---|
bin | 101111110111111010000101… |
… | …0110101111101100110110011 |
3 | 2001012222210100111001210110002 |
4 | 1133233310022311331212303 |
5 | 420143301303104020301 |
6 | 4051334441234500215 |
7 | 154461326523345551 |
oct | 13757641265754663 |
9 | 2035883314053402 |
10 | 421100250454451 |
11 | 1121a2682358877 |
12 | 3b290071a3466b |
13 | 150c777747b249 |
14 | 75db50a326bd1 |
15 | 33a3bb593916b |
hex | 17efd0ad7d9b3 |
421100250454451 has 8 divisors (see below), whose sum is σ = 421263771786000. Its totient is φ = 420936759592960.
The previous prime is 421100250454421. The next prime is 421100250454459. The reversal of 421100250454451 is 154454052001124.
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 421100250454451 - 226 = 421100183345587 is a prime.
It is a super-2 number, since 2×4211002504544512 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (421100250454459) 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, 20047616 + ... + 35271906.
It is an arithmetic number, because the mean of its divisors is an integer number (52657971473250).
Almost surely, 2421100250454451 is an apocalyptic number.
421100250454451 is a deficient number, since it is larger than the sum of its proper divisors (163521331549).
421100250454451 is a wasteful number, since it uses less digits than its factorization.
421100250454451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15235029.
The product of its (nonzero) digits is 128000, while the sum is 38.
The spelling of 421100250454451 in words is "four hundred twenty-one trillion, one hundred billion, two hundred fifty million, four hundred fifty-four thousand, four hundred fifty-one".
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