Base | Representation |
---|---|
bin | 11000010110010001… |
… | …00101110110011100 |
3 | 1020201222201100002220 |
4 | 30023020211312130 |
5 | 203232324002302 |
6 | 10001031545340 |
7 | 641633434413 |
oct | 141310456634 |
9 | 36658640086 |
10 | 13071703452 |
11 | 55a86aa305 |
12 | 264982b250 |
13 | 13041b8992 |
14 | 8c00b247a |
15 | 5178b74bc |
hex | 30b225d9c |
13071703452 has 12 divisors (see below), whose sum is σ = 30500641416. Its totient is φ = 4357234480.
The previous prime is 13071703451. The next prime is 13071703487. The reversal of 13071703452 is 25430717031.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×130717034522 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13071703451) 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, 544654299 + ... + 544654322.
It is an arithmetic number, because the mean of its divisors is an integer number (2541720118).
Almost surely, 213071703452 is an apocalyptic number.
13071703452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13071703452 is an abundant number, since it is smaller than the sum of its proper divisors (17428937964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13071703452 is a wasteful number, since it uses less digits than its factorization.
13071703452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1089308628 (or 1089308626 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 33.
The spelling of 13071703452 in words is "thirteen billion, seventy-one million, seven hundred three thousand, four hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •