Base | Representation |
---|---|
bin | 1111101010000100111… |
… | …1011010110110000001 |
3 | 221201022121001122200001 |
4 | 3322201033122312001 |
5 | 13401344221134431 |
6 | 323323532400001 |
7 | 25301621005651 |
oct | 3724117326601 |
9 | 851277048601 |
10 | 268993146241 |
11 | a4096689126 |
12 | 44171316001 |
13 | 1c49ac99b71 |
14 | d03b0c4361 |
15 | 6ee549ce61 |
hex | 3ea13dad81 |
268993146241 has 4 divisors (see below), whose sum is σ = 269116596400. Its totient is φ = 268869696084.
The previous prime is 268993146217. The next prime is 268993146259. The reversal of 268993146241 is 142641399862.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 268993146241 - 237 = 131554192769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (268993146281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61721811 + ... + 61726168.
It is an arithmetic number, because the mean of its divisors is an integer number (67279149100).
Almost surely, 2268993146241 is an apocalyptic number.
It is an amenable number.
268993146241 is a deficient number, since it is larger than the sum of its proper divisors (123450159).
268993146241 is a wasteful number, since it uses less digits than its factorization.
268993146241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123450158.
The product of its digits is 4478976, while the sum is 55.
The spelling of 268993146241 in words is "two hundred sixty-eight billion, nine hundred ninety-three million, one hundred forty-six thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •