Base | Representation |
---|---|
bin | 11000001010101101101… |
… | …11001101111001001011 |
3 | 2221101101000202122122211 |
4 | 30011112313031321023 |
5 | 102101112304103111 |
6 | 1433250221525551 |
7 | 113664511366420 |
oct | 14052667157113 |
9 | 2841330678584 |
10 | 830386003531 |
11 | 2a018a283a07 |
12 | 114b267138b7 |
13 | 603c72c2416 |
14 | 2c295b6dd47 |
15 | 16900c67521 |
hex | c156dcde4b |
830386003531 has 4 divisors (see below), whose sum is σ = 949012575472. Its totient is φ = 711759431592.
The previous prime is 830386003511. The next prime is 830386003543. The reversal of 830386003531 is 135300683038.
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: 135300683038 = 2 ⋅67650341519.
It is a cyclic number.
It is not a de Polignac number, because 830386003531 - 221 = 830383906379 is a prime.
It is a super-2 number, since 2×8303860035312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (830386003511) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59313285960 + ... + 59313285973.
It is an arithmetic number, because the mean of its divisors is an integer number (237253143868).
Almost surely, 2830386003531 is an apocalyptic number.
830386003531 is a deficient number, since it is larger than the sum of its proper divisors (118626571941).
830386003531 is a wasteful number, since it uses less digits than its factorization.
830386003531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118626571940.
The product of its (nonzero) digits is 155520, while the sum is 40.
Adding to 830386003531 its reverse (135300683038), we get a palindrome (965686686569).
The spelling of 830386003531 in words is "eight hundred thirty billion, three hundred eighty-six million, three thousand, five hundred thirty-one".
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