Base | Representation |
---|---|
bin | 11100011010000100… |
… | …111111011111100010 |
3 | 2220201202102202001120 |
4 | 130122010333133202 |
5 | 444432041143310 |
6 | 22002413513110 |
7 | 2126606110254 |
oct | 343204773742 |
9 | 86652382046 |
10 | 30502287330 |
11 | 11a32822a29 |
12 | 5ab31a2796 |
13 | 2b5146b338 |
14 | 1695037cd4 |
15 | bd7c94b70 |
hex | 71a13f7e2 |
30502287330 has 16 divisors (see below), whose sum is σ = 73205489664. Its totient is φ = 8133943280.
The previous prime is 30502287329. The next prime is 30502287331. The reversal of 30502287330 is 3378220503.
It is an interprime number because it is at equal distance from previous prime (30502287329) and next prime (30502287331).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30502287291 and 30502287300.
It is not an unprimeable number, because it can be changed into a prime (30502287331) 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, 508371426 + ... + 508371485.
It is an arithmetic number, because the mean of its divisors is an integer number (4575343104).
Almost surely, 230502287330 is an apocalyptic number.
30502287330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30502287330 is an abundant number, since it is smaller than the sum of its proper divisors (42703202334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30502287330 is a wasteful number, since it uses less digits than its factorization.
30502287330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1016742921.
The product of its (nonzero) digits is 30240, while the sum is 33.
The spelling of 30502287330 in words is "thirty billion, five hundred two million, two hundred eighty-seven thousand, three hundred thirty".
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