Base | Representation |
---|---|
bin | 11100011100011101… |
… | …100011101100011111 |
3 | 2220211112200122202020 |
4 | 130130131203230133 |
5 | 1000022311002003 |
6 | 22010403031223 |
7 | 2130603052326 |
oct | 343435435437 |
9 | 86745618666 |
10 | 30542281503 |
11 | 11a5335a168 |
12 | 5b0466b513 |
13 | 2b59832326 |
14 | 169a4890bd |
15 | bdb544d53 |
hex | 71c763b1f |
30542281503 has 16 divisors (see below), whose sum is σ = 41039671296. Its totient is φ = 20203745760.
The previous prime is 30542281499. The next prime is 30542281507. The reversal of 30542281503 is 30518224503.
It is an interprime number because it is at equal distance from previous prime (30542281499) and next prime (30542281507).
It is not a de Polignac number, because 30542281503 - 22 = 30542281499 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30542281507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160350 + ... + 294612.
It is an arithmetic number, because the mean of its divisors is an integer number (2564979456).
Almost surely, 230542281503 is an apocalyptic number.
30542281503 is a deficient number, since it is larger than the sum of its proper divisors (10497389793).
30542281503 is a wasteful number, since it uses less digits than its factorization.
30542281503 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134854.
The product of its (nonzero) digits is 28800, while the sum is 33.
The spelling of 30542281503 in words is "thirty billion, five hundred forty-two million, two hundred eighty-one thousand, five hundred three".
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