Base | Representation |
---|---|
bin | 111101000110011101… |
… | …1001001001011110001 |
3 | 110112200111000221220201 |
4 | 1322030323021023301 |
5 | 4122211103130413 |
6 | 140140101035201 |
7 | 12323405634013 |
oct | 1721473111361 |
9 | 415614027821 |
10 | 131213333233 |
11 | 50713562374 |
12 | 2151b0b5b01 |
13 | c4b1386aa8 |
14 | 64ca6aa1b3 |
15 | 362e6349dd |
hex | 1e8cec92f1 |
131213333233 has 8 divisors (see below), whose sum is σ = 140011344800. Its totient is φ = 122604526368.
The previous prime is 131213333231. The next prime is 131213333267. The reversal of 131213333233 is 332333312131.
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 131213333233 - 21 = 131213333231 is a prime.
It is a super-2 number, since 2×1312133332332 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131213333231) 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, 47299743 + ... + 47302516.
It is an arithmetic number, because the mean of its divisors is an integer number (17501418100).
Almost surely, 2131213333233 is an apocalyptic number.
It is an amenable number.
131213333233 is a deficient number, since it is larger than the sum of its proper divisors (8798011567).
131213333233 is an equidigital number, since it uses as much as digits as its factorization.
131213333233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94602351.
The product of its digits is 8748, while the sum is 28.
Adding to 131213333233 its reverse (332333312131), we get a palindrome (463546645364).
The spelling of 131213333233 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred thirty-three thousand, two hundred thirty-three".
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