Base | Representation |
---|---|
bin | 11100111001100011… |
… | …000001100110110010 |
3 | 2222002112220020011202 |
4 | 130321203001212302 |
5 | 1002022221112002 |
6 | 22131034011202 |
7 | 2145646543556 |
oct | 347143014662 |
9 | 88075806152 |
10 | 31030254002 |
11 | 12183851120 |
12 | 601bb76b02 |
13 | 2c06965a57 |
14 | 17051cd866 |
15 | c192d4502 |
hex | 7398c19b2 |
31030254002 has 16 divisors (see below), whose sum is σ = 51957636192. Its totient is φ = 13776645120.
The previous prime is 31030253977. The next prime is 31030254007. The reversal of 31030254002 is 20045203013.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (31030254007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16399823 + ... + 16401714.
It is an arithmetic number, because the mean of its divisors is an integer number (3247352262).
Almost surely, 231030254002 is an apocalyptic number.
31030254002 is a deficient number, since it is larger than the sum of its proper divisors (20927382190).
31030254002 is a wasteful number, since it uses less digits than its factorization.
31030254002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32801593.
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 31030254002 its reverse (20045203013), we get a palindrome (51075457015).
The spelling of 31030254002 in words is "thirty-one billion, thirty million, two hundred fifty-four thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •