Base | Representation |
---|---|
bin | 1100101000010111111100… |
… | …1010001101100011111101 |
3 | 1211011122202001112220002002 |
4 | 3022011333022031203331 |
5 | 3310014114214321024 |
6 | 45311541115112045 |
7 | 2632233463544624 |
oct | 312057712154375 |
9 | 54148661486062 |
10 | 13887762651389 |
11 | 4474848a66440 |
12 | 168365b742625 |
13 | 7997c2079933 |
14 | 3602580886bb |
15 | 1913bc6ac6ae |
hex | ca17f28d8fd |
13887762651389 has 8 divisors (see below), whose sum is σ = 15332820102432. Its totient is φ = 12473127462640.
The previous prime is 13887762651271. The next prime is 13887762651397. The reversal of 13887762651389 is 98315626778831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13887762651389 - 224 = 13887745874173 is a prime.
It is a super-2 number, since 2×138877626513892 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13887762651589) 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, 7605564614 + ... + 7605566439.
It is an arithmetic number, because the mean of its divisors is an integer number (1916602512804).
Almost surely, 213887762651389 is an apocalyptic number.
It is an amenable number.
13887762651389 is a deficient number, since it is larger than the sum of its proper divisors (1445057451043).
13887762651389 is a wasteful number, since it uses less digits than its factorization.
13887762651389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15211131147.
The product of its digits is 731566080, while the sum is 74.
The spelling of 13887762651389 in words is "thirteen trillion, eight hundred eighty-seven billion, seven hundred sixty-two million, six hundred fifty-one thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •