Base | Representation |
---|---|
bin | 11100111101111001… |
… | …011100111100001111 |
3 | 2222021122020101212220 |
4 | 130331321130330033 |
5 | 1002144412220444 |
6 | 22142202230423 |
7 | 2150524123554 |
oct | 347571347417 |
9 | 88248211786 |
10 | 31103241999 |
11 | 12210a73085 |
12 | 60404b5413 |
13 | 2c18b0c60b |
14 | 1710b8ca2b |
15 | c20900619 |
hex | 73de5cf0f |
31103241999 has 8 divisors (see below), whose sum is σ = 41535089280. Its totient is φ = 20703444696.
The previous prime is 31103241943. The next prime is 31103242013. The reversal of 31103241999 is 99914230113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31103241999 - 213 = 31103233807 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31103241999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31103243999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8010229 + ... + 8014110.
It is an arithmetic number, because the mean of its divisors is an integer number (5191886160).
Almost surely, 231103241999 is an apocalyptic number.
31103241999 is a deficient number, since it is larger than the sum of its proper divisors (10431847281).
31103241999 is a wasteful number, since it uses less digits than its factorization.
31103241999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16024989.
The product of its (nonzero) digits is 52488, while the sum is 42.
The spelling of 31103241999 in words is "thirty-one billion, one hundred three million, two hundred forty-one thousand, nine hundred ninety-nine".
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