Base | Representation |
---|---|
bin | 100110110010000… |
… | …1110000011011101 |
3 | 10100200200221101220 |
4 | 1031210032003131 |
5 | 10131120343011 |
6 | 333044123553 |
7 | 44151132165 |
oct | 11544160335 |
9 | 3320627356 |
10 | 1301340381 |
11 | 608633320 |
12 | 3039965b9 |
13 | 1797b70c3 |
14 | c4b8d5a5 |
15 | 793a7506 |
hex | 4d90e0dd |
1301340381 has 48 divisors (see below), whose sum is σ = 2009851200. Its totient is φ = 742659840.
The previous prime is 1301340353. The next prime is 1301340487. The reversal of 1301340381 is 1830431031.
It is not a de Polignac number, because 1301340381 - 25 = 1301340349 is a prime.
It is a super-2 number, since 2×13013403812 = 3386973574442450322, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1301340331) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3728595 + ... + 3728943.
It is an arithmetic number, because the mean of its divisors is an integer number (41871900).
Almost surely, 21301340381 is an apocalyptic number.
1301340381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1301340381 is a deficient number, since it is larger than the sum of its proper divisors (708510819).
1301340381 is a wasteful number, since it uses less digits than its factorization.
1301340381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 714 (or 695 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 1301340381 is about 36074.0957059217. The cubic root of 1301340381 is about 1091.7678522400.
The spelling of 1301340381 in words is "one billion, three hundred one million, three hundred forty thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •