Base | Representation |
---|---|
bin | 11100111001001000… |
… | …000111011100000001 |
3 | 2222002001121211220110 |
4 | 130321020013130001 |
5 | 1002013414400001 |
6 | 22130222501533 |
7 | 2145532564143 |
oct | 347110073401 |
9 | 88061554813 |
10 | 31023200001 |
11 | 1217a873372 |
12 | 60197348a9 |
13 | 2c053660a1 |
14 | 17042b4c93 |
15 | c1888e3d6 |
hex | 739207701 |
31023200001 has 8 divisors (see below), whose sum is σ = 41371585920. Its totient is φ = 20678473712.
The previous prime is 31023199969. The next prime is 31023200099. The reversal of 31023200001 is 10000232013.
It is a happy number.
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 31023200001 - 25 = 31023199969 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31023200001.
It is not an unprimeable number, because it can be changed into a prime (31023200401) 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, 895065 + ... + 929078.
It is an arithmetic number, because the mean of its divisors is an integer number (5171448240).
Almost surely, 231023200001 is an apocalyptic number.
It is an amenable number.
31023200001 is a deficient number, since it is larger than the sum of its proper divisors (10348385919).
31023200001 is a wasteful number, since it uses less digits than its factorization.
31023200001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1829815.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 31023200001 its reverse (10000232013), we get a palindrome (41023432014).
The spelling of 31023200001 in words is "thirty-one billion, twenty-three million, two hundred thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •