Base | Representation |
---|---|
bin | 10010000110110110101… |
… | …111011100101010011111 |
3 | 11101221210012111111100001 |
4 | 102012312233130222133 |
5 | 130341322212040111 |
6 | 2351343452315131 |
7 | 155620124504602 |
oct | 22066657345237 |
9 | 4357705444301 |
10 | 1244311440031 |
11 | 43a789406910 |
12 | 1811a5472aa7 |
13 | 904519638ca |
14 | 4432155a339 |
15 | 22579e661c1 |
hex | 121b6bdca9f |
1244311440031 has 8 divisors (see below), whose sum is σ = 1357649712000. Its totient is φ = 1131009676440.
The previous prime is 1244311439999. The next prime is 1244311440059. The reversal of 1244311440031 is 1300441134421.
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 1244311440031 - 25 = 1244311439999 is a prime.
It is a super-2 number, since 2×12443114400312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1244311440091) 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, 9055801 + ... + 9192178.
It is an arithmetic number, because the mean of its divisors is an integer number (169706214000).
Almost surely, 21244311440031 is an apocalyptic number.
1244311440031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1244311440031 is a deficient number, since it is larger than the sum of its proper divisors (113338271969).
1244311440031 is a wasteful number, since it uses less digits than its factorization.
1244311440031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18254189.
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 1244311440031 its reverse (1300441134421), we get a palindrome (2544752574452).
The spelling of 1244311440031 in words is "one trillion, two hundred forty-four billion, three hundred eleven million, four hundred forty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •