Base | Representation |
---|---|
bin | 11000111110000000… |
… | …01100000100111011 |
3 | 1021121012221211211001 |
4 | 30133000030010323 |
5 | 204423142420201 |
6 | 10054100345431 |
7 | 653122000666 |
oct | 143700140473 |
9 | 37535854731 |
10 | 13405045051 |
11 | 5759886832 |
12 | 27213a5277 |
13 | 135828b728 |
14 | 9124846dd |
15 | 536cb0301 |
hex | 31f00c13b |
13405045051 has 8 divisors (see below), whose sum is σ = 13456561104. Its totient is φ = 13353568800.
The previous prime is 13405044971. The next prime is 13405045097. The reversal of 13405045051 is 15054050431.
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 13405045051 - 27 = 13405044923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13405045651) 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, 784701 + ... + 801601.
It is an arithmetic number, because the mean of its divisors is an integer number (1682070138).
Almost surely, 213405045051 is an apocalyptic number.
13405045051 is a deficient number, since it is larger than the sum of its proper divisors (51516053).
13405045051 is a wasteful number, since it uses less digits than its factorization.
13405045051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19901.
The product of its (nonzero) digits is 6000, while the sum is 28.
Adding to 13405045051 its reverse (15054050431), we get a palindrome (28459095482).
It can be divided in two parts, 134050 and 45051, that added together give a triangular number (179101 = T598).
The spelling of 13405045051 in words is "thirteen billion, four hundred five million, forty-five thousand, fifty-one".
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