Base | Representation |
---|---|
bin | 111110110001010110… |
… | …110001111100010111 |
3 | 20102222020002012210011 |
4 | 332301112301330113 |
5 | 2101013403022112 |
6 | 50544012541051 |
7 | 4604143646566 |
oct | 766126617427 |
9 | 212866065704 |
10 | 67400048407 |
11 | 2664762aa4a |
12 | 11090181787 |
13 | 64818c0763 |
14 | 33955c7bdd |
15 | 1b4723eaa7 |
hex | fb15b1f17 |
67400048407 has 4 divisors (see below), whose sum is σ = 67446500616. Its totient is φ = 67353596200.
The previous prime is 67400048389. The next prime is 67400048423. The reversal of 67400048407 is 70484000476.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 67400048407 - 223 = 67391659799 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 67400048407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67400048437) 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, 23223928 + ... + 23226829.
It is an arithmetic number, because the mean of its divisors is an integer number (16861625154).
Almost surely, 267400048407 is an apocalyptic number.
67400048407 is a deficient number, since it is larger than the sum of its proper divisors (46452209).
67400048407 is a wasteful number, since it uses less digits than its factorization.
67400048407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46452208.
The product of its (nonzero) digits is 150528, while the sum is 40.
The spelling of 67400048407 in words is "sixty-seven billion, four hundred million, forty-eight thousand, four hundred seven".
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