Base | Representation |
---|---|
bin | 11001100010101101… |
… | …11111011000011100 |
3 | 1022101200110012101200 |
4 | 30301112333120130 |
5 | 211041012343002 |
6 | 10144421235500 |
7 | 663551452362 |
oct | 146126773034 |
9 | 38350405350 |
10 | 13713012252 |
11 | 58a7702085 |
12 | 27a8562b90 |
13 | 13a7018a44 |
14 | 94132d632 |
15 | 553d44b1c |
hex | 3315bf61c |
13713012252 has 72 divisors (see below), whose sum is σ = 36269915136. Its totient is φ = 4360254624.
The previous prime is 13713012241. The next prime is 13713012343. The reversal of 13713012252 is 25221031731.
13713012252 is a `hidden beast` number, since 1 + 371 + 30 + 12 + 252 = 666.
It is a super-2 number, since 2×137130122522 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281313 + ... + 326439.
Almost surely, 213713012252 is an apocalyptic number.
13713012252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13713012252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18134957568).
13713012252 is an abundant number, since it is smaller than the sum of its proper divisors (22556902884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13713012252 is a wasteful number, since it uses less digits than its factorization.
13713012252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45527 (or 45522 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
Adding to 13713012252 its reverse (25221031731), we get a palindrome (38934043983).
The spelling of 13713012252 in words is "thirteen billion, seven hundred thirteen million, twelve thousand, two hundred fifty-two".
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