Base | Representation |
---|---|
bin | 1011111100010101111010… |
… | …0110101011010100110111 |
3 | 1201111100012000210110102211 |
4 | 2333011132212223110313 |
5 | 3210120401332033421 |
6 | 43532234214514251 |
7 | 2523463624146634 |
oct | 277053646532467 |
9 | 51440160713384 |
10 | 13131302221111 |
11 | 4202a54853918 |
12 | 1580b26665987 |
13 | 743379594b89 |
14 | 3357b642d18b |
15 | 17b8969c89e1 |
hex | bf15e9ab537 |
13131302221111 has 8 divisors (see below), whose sum is σ = 13252337778240. Its totient is φ = 13010276935008.
The previous prime is 13131302221057. The next prime is 13131302221117. The reversal of 13131302221111 is 11112220313131.
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 13131302221111 - 215 = 13131302188343 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 (13131302221117) 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, 12885 + ... + 5124721.
It is an arithmetic number, because the mean of its divisors is an integer number (1656542222280).
Almost surely, 213131302221111 is an apocalyptic number.
13131302221111 is a deficient number, since it is larger than the sum of its proper divisors (121035557129).
13131302221111 is a wasteful number, since it uses less digits than its factorization.
13131302221111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5135513.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 13131302221111 its reverse (11112220313131), we get a palindrome (24243522534242).
The spelling of 13131302221111 in words is "thirteen trillion, one hundred thirty-one billion, three hundred two million, two hundred twenty-one thousand, one hundred eleven".
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