Base | Representation |
---|---|
bin | 11001000101001001… |
… | …10100011000110101 |
3 | 1021202101201210201211 |
4 | 30202210310120311 |
5 | 210034013311442 |
6 | 10104041121421 |
7 | 654450301351 |
oct | 144244643065 |
9 | 37671653654 |
10 | 13464978997 |
11 | 578a6a2018 |
12 | 2739489271 |
13 | 13678145c2 |
14 | 91a406461 |
15 | 53c19d617 |
hex | 322934635 |
13464978997 has 8 divisors (see below), whose sum is σ = 13704864480. Its totient is φ = 13225482480.
The previous prime is 13464978937. The next prime is 13464979001. The reversal of 13464978997 is 79987946431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13464978997 - 27 = 13464978869 is a prime.
It is a super-2 number, since 2×134649789972 (a number of 21 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 (13464978907) 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, 26943 + ... + 166300.
It is an arithmetic number, because the mean of its divisors is an integer number (1713108060).
Almost surely, 213464978997 is an apocalyptic number.
It is an amenable number.
13464978997 is a deficient number, since it is larger than the sum of its proper divisors (239885483).
13464978997 is a wasteful number, since it uses less digits than its factorization.
13464978997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194483.
The product of its digits is 82301184, while the sum is 67.
The spelling of 13464978997 in words is "thirteen billion, four hundred sixty-four million, nine hundred seventy-eight thousand, nine hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •