Base | Representation |
---|---|
bin | 11100011000001100… |
… | …001100101100110111 |
3 | 2220122112211222101211 |
4 | 130120030030230313 |
5 | 444400434401012 |
6 | 21555323102251 |
7 | 2126043004450 |
oct | 343014145467 |
9 | 86575758354 |
10 | 30470622007 |
11 | 11a16965341 |
12 | 5aa4671987 |
13 | 2b47a32367 |
14 | 1690b54127 |
15 | bd50dc6a7 |
hex | 71830cb37 |
30470622007 has 4 divisors (see below), whose sum is σ = 34823568016. Its totient is φ = 26117676000.
The previous prime is 30470621983. The next prime is 30470622011. The reversal of 30470622007 is 70022607403.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70022607403 = 7 ⋅10003229629.
It is a cyclic number.
It is not a de Polignac number, because 30470622007 - 231 = 28323138359 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30470622007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30470622067) 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 3 ways as a sum of consecutive naturals, for example, 2176472994 + ... + 2176473007.
It is an arithmetic number, because the mean of its divisors is an integer number (8705892004).
Almost surely, 230470622007 is an apocalyptic number.
30470622007 is a deficient number, since it is larger than the sum of its proper divisors (4352946009).
30470622007 is an equidigital number, since it uses as much as digits as its factorization.
30470622007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4352946008.
The product of its (nonzero) digits is 14112, while the sum is 31.
The spelling of 30470622007 in words is "thirty billion, four hundred seventy million, six hundred twenty-two thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •