Base | Representation |
---|---|
bin | 1011111100010101111100… |
… | …1100110111101011111011 |
3 | 1201111100012201122010110100 |
4 | 2333011133030313223323 |
5 | 3210120411412430321 |
6 | 43532235213250443 |
7 | 2523464105226504 |
oct | 277053714675373 |
9 | 51440181563410 |
10 | 13131312233211 |
11 | 4202a5a472087 |
12 | 1580b29a93a23 |
13 | 74337b68c0b3 |
14 | 3357b78b7bab |
15 | 17b897805326 |
hex | bf15f337afb |
13131312233211 has 48 divisors (see below), whose sum is σ = 19266153274368. Its totient is φ = 8617517001600.
The previous prime is 13131312233167. The next prime is 13131312233269. The reversal of 13131312233211 is 11233221313131.
13131312233211 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 312 + 2 + 332 + 11 = 666.
It is not a de Polignac number, because 13131312233211 - 210 = 13131312232187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13131312233311) 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, 220772206 + ... + 220831676.
It is an arithmetic number, because the mean of its divisors is an integer number (401378193216).
Almost surely, 213131312233211 is an apocalyptic number.
13131312233211 is a deficient number, since it is larger than the sum of its proper divisors (6134841041157).
13131312233211 is a wasteful number, since it uses less digits than its factorization.
13131312233211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61112 (or 61109 counting only the distinct ones).
The product of its digits is 1944, while the sum is 27.
Adding to 13131312233211 its reverse (11233221313131), we get a palindrome (24364533546342).
The spelling of 13131312233211 in words is "thirteen trillion, one hundred thirty-one billion, three hundred twelve million, two hundred thirty-three thousand, two hundred eleven".
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