Base | Representation |
---|---|
bin | 111001010000000011… |
… | …101010100001011011 |
3 | 12212200010200200221221 |
4 | 321100003222201123 |
5 | 2001344001230102 |
6 | 44123512512511 |
7 | 4304231105323 |
oct | 712003524133 |
9 | 185603620857 |
10 | 61472680027 |
11 | 240857a83a0 |
12 | bab70ab737 |
13 | 5a488a52a5 |
14 | 2d922c4283 |
15 | 18ebba2637 |
hex | e500ea85b |
61472680027 has 4 divisors (see below), whose sum is σ = 67061105496. Its totient is φ = 55884254560.
The previous prime is 61472680013. The next prime is 61472680057. The reversal of 61472680027 is 72008627416.
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 61472680027 - 215 = 61472647259 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61472680057) 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, 2794212718 + ... + 2794212739.
It is an arithmetic number, because the mean of its divisors is an integer number (16765276374).
Almost surely, 261472680027 is an apocalyptic number.
61472680027 is a deficient number, since it is larger than the sum of its proper divisors (5588425469).
61472680027 is a wasteful number, since it uses less digits than its factorization.
61472680027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5588425468.
The product of its (nonzero) digits is 225792, while the sum is 43.
The spelling of 61472680027 in words is "sixty-one billion, four hundred seventy-two million, six hundred eighty thousand, twenty-seven".
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