Base | Representation |
---|---|
bin | 11100011010000000… |
… | …001000110111100111 |
3 | 2220201200001002202210 |
4 | 130122000020313213 |
5 | 444431224440030 |
6 | 22002330334503 |
7 | 2126562231012 |
oct | 343200106747 |
9 | 86650032683 |
10 | 30501015015 |
11 | 11a32034029 |
12 | 5ab288a433 |
13 | 2b511141a3 |
14 | 1694bc6379 |
15 | bd7ae2bb0 |
hex | 71a008de7 |
30501015015 has 16 divisors (see below), whose sum is σ = 48895305696. Its totient is φ = 16235980800.
The previous prime is 30501015007. The next prime is 30501015023. The reversal of 30501015015 is 51051010503.
It is an interprime number because it is at equal distance from previous prime (30501015007) and next prime (30501015023).
It is not a de Polignac number, because 30501015015 - 23 = 30501015007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30501014982 and 30501015000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943626 + ... + 1959255.
It is an arithmetic number, because the mean of its divisors is an integer number (3055956606).
Almost surely, 230501015015 is an apocalyptic number.
30501015015 is a deficient number, since it is larger than the sum of its proper divisors (18394290681).
30501015015 is a wasteful number, since it uses less digits than its factorization.
30501015015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3903410.
The product of its (nonzero) digits is 375, while the sum is 21.
Adding to 30501015015 its reverse (51051010503), we get a palindrome (81552025518).
The spelling of 30501015015 in words is "thirty billion, five hundred one million, fifteen thousand, fifteen".
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