Base | Representation |
---|---|
bin | 1011111001011011… |
… | …11010111101010011 |
3 | 121111010222112012112 |
4 | 11330231322331103 |
5 | 101040132130201 |
6 | 2533451415535 |
7 | 314166556163 |
oct | 57455727523 |
9 | 17433875175 |
10 | 6387380051 |
11 | 2788567198 |
12 | 12a31545ab |
13 | 7aa40c130 |
14 | 44844a5a3 |
15 | 275b570bb |
hex | 17cb7af53 |
6387380051 has 4 divisors (see below), whose sum is σ = 6878716992. Its totient is φ = 5896043112.
The previous prime is 6387380011. The next prime is 6387380059. The reversal of 6387380051 is 1500837836.
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 6387380051 - 26 = 6387379987 is a prime.
It is a super-5 number, since 5×63873800515 (a number of 50 digits) contains 55555 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6387379990 and 6387380008.
It is not an unprimeable number, because it can be changed into a prime (6387380059) 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, 245668451 + ... + 245668476.
It is an arithmetic number, because the mean of its divisors is an integer number (1719679248).
Almost surely, 26387380051 is an apocalyptic number.
6387380051 is a deficient number, since it is larger than the sum of its proper divisors (491336941).
6387380051 is a wasteful number, since it uses less digits than its factorization.
6387380051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491336940.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 6387380051 is about 79921.0863977711. The cubic root of 6387380051 is about 1855.4143843127.
The spelling of 6387380051 in words is "six billion, three hundred eighty-seven million, three hundred eighty thousand, fifty-one".
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