Base | Representation |
---|---|
bin | 11101100011110000101… |
… | …01110100100011010110 |
3 | 10121002112002102010010220 |
4 | 32301320111310203112 |
5 | 113120003101034204 |
6 | 2054324034455210 |
7 | 133243201224054 |
oct | 16617025644326 |
9 | 3532462363126 |
10 | 1015631268054 |
11 | 3617aa411a47 |
12 | 144a04a34506 |
13 | 74a0983a690 |
14 | 3722a4331d4 |
15 | 1b643bc31d9 |
hex | ec785748d6 |
1015631268054 has 96 divisors (see below), whose sum is σ = 2320805136384. Its totient is φ = 294502875840.
The previous prime is 1015631268011. The next prime is 1015631268089. The reversal of 1015631268054 is 4508621365101.
It is a junction number, because it is equal to n+sod(n) for n = 1015631267997 and 1015631268015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5283757 + ... + 5472599.
It is an arithmetic number, because the mean of its divisors is an integer number (24175053504).
Almost surely, 21015631268054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1015631268054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160402568192).
1015631268054 is an abundant number, since it is smaller than the sum of its proper divisors (1305173868330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1015631268054 is a wasteful number, since it uses less digits than its factorization.
1015631268054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189090 (or 189071 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 42.
The spelling of 1015631268054 in words is "one trillion, fifteen billion, six hundred thirty-one million, two hundred sixty-eight thousand, fifty-four".
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