Base | Representation |
---|---|
bin | 11100011000001110… |
… | …011010011011000101 |
3 | 2220122120221110200121 |
4 | 130120032122123011 |
5 | 444401111440001 |
6 | 21555343341541 |
7 | 2126050643035 |
oct | 343016323305 |
9 | 86576843617 |
10 | 30471202501 |
11 | 11a17221493 |
12 | 5aa48b18b1 |
13 | 2b47ba664c |
14 | 1690c658c5 |
15 | bd51a46a1 |
hex | 71839a6c5 |
30471202501 has 4 divisors (see below), whose sum is σ = 31214402604. Its totient is φ = 29728002400.
The previous prime is 30471202471. The next prime is 30471202507. The reversal of 30471202501 is 10520217403.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3179832100 + 27291370401 = 56390^2 + 165201^2 .
It is a cyclic number.
It is not a de Polignac number, because 30471202501 - 211 = 30471200453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30471202507) 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, 371599990 + ... + 371600071.
It is an arithmetic number, because the mean of its divisors is an integer number (7803600651).
Almost surely, 230471202501 is an apocalyptic number.
It is an amenable number.
30471202501 is a deficient number, since it is larger than the sum of its proper divisors (743200103).
30471202501 is an equidigital number, since it uses as much as digits as its factorization.
30471202501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 743200102.
The product of its (nonzero) digits is 1680, while the sum is 25.
Adding to 30471202501 its reverse (10520217403), we get a palindrome (40991419904).
The spelling of 30471202501 in words is "thirty billion, four hundred seventy-one million, two hundred two thousand, five hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •