Base | Representation |
---|---|
bin | 11000011111001000… |
… | …10101111101111110 |
3 | 1020221011200102120000 |
4 | 30033210111331332 |
5 | 203410344243134 |
6 | 10012250135130 |
7 | 643525620054 |
oct | 141744257576 |
9 | 36834612500 |
10 | 13146087294 |
11 | 5636694a5a |
12 | 266a7214a6 |
13 | 13167309a2 |
14 | 8c9d161d4 |
15 | 51e1abe99 |
hex | 30f915f7e |
13146087294 has 40 divisors (see below), whose sum is σ = 29787983280. Its totient is φ = 4332788064.
The previous prime is 13146087293. The next prime is 13146087307. The reversal of 13146087294 is 49278064131.
13146087294 is a `hidden beast` number, since 1 + 3 + 14 + 608 + 7 + 29 + 4 = 666.
It is a super-2 number, since 2×131460872942 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13146087293) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 441474 + ... + 470309.
It is an arithmetic number, because the mean of its divisors is an integer number (744699582).
Almost surely, 213146087294 is an apocalyptic number.
13146087294 is an abundant number, since it is smaller than the sum of its proper divisors (16641895986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13146087294 is an equidigital number, since it uses as much as digits as its factorization.
13146087294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 911886 (or 911877 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 13146087294 in words is "thirteen billion, one hundred forty-six million, eighty-seven thousand, two hundred ninety-four".
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