Base | Representation |
---|---|
bin | 111100100000000… |
… | …100100000001101 |
3 | 2121201222101010120 |
4 | 330200010200031 |
5 | 4034322240023 |
6 | 244415455153 |
7 | 34103461221 |
oct | 7440044015 |
9 | 2551871116 |
10 | 1015040013 |
11 | 480a66649 |
12 | 243b274b9 |
13 | 1323a4ac0 |
14 | 98b44781 |
15 | 5e1a28e3 |
hex | 3c80480d |
1015040013 has 8 divisors (see below), whose sum is σ = 1457493408. Its totient is φ = 624639984.
The previous prime is 1015039999. The next prime is 1015040053. The reversal of 1015040013 is 3100405101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1015040013 - 24 = 1015039997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1015039974 and 1015040001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1015040053) 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, 13013295 + ... + 13013372.
It is an arithmetic number, because the mean of its divisors is an integer number (182186676).
Almost surely, 21015040013 is an apocalyptic number.
1015040013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1015040013 is a deficient number, since it is larger than the sum of its proper divisors (442453395).
1015040013 is a wasteful number, since it uses less digits than its factorization.
1015040013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26026683.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1015040013 is about 31859.6926068033. The cubic root of 1015040013 is about 1004.9884120344.
Adding to 1015040013 its reverse (3100405101), we get a palindrome (4115445114).
The spelling of 1015040013 in words is "one billion, fifteen million, forty thousand, thirteen".
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