Base | Representation |
---|---|
bin | 111100100000000101… |
… | …000101011000000001 |
3 | 20012200100210202021201 |
4 | 330200011011120001 |
5 | 2031020423304324 |
6 | 45502104221201 |
7 | 4456556643661 |
oct | 744005053001 |
9 | 205610722251 |
10 | 64962713089 |
11 | 2560683793a |
12 | 1070ba6a801 |
13 | 6183962101 |
14 | 3203a0a1a1 |
15 | 1a53291444 |
hex | f20145601 |
64962713089 has 4 divisors (see below), whose sum is σ = 64965155760. Its totient is φ = 64960270420.
The previous prime is 64962713083. The next prime is 64962713107. The reversal of 64962713089 is 98031726946.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 64962713089 - 27 = 64962712961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64962713083) 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, 1180999 + ... + 1234780.
It is an arithmetic number, because the mean of its divisors is an integer number (16241288940).
Almost surely, 264962713089 is an apocalyptic number.
It is an amenable number.
64962713089 is a deficient number, since it is larger than the sum of its proper divisors (2442671).
64962713089 is a wasteful number, since it uses less digits than its factorization.
64962713089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2442670.
The product of its (nonzero) digits is 3919104, while the sum is 55.
The spelling of 64962713089 in words is "sixty-four billion, nine hundred sixty-two million, seven hundred thirteen thousand, eighty-nine".
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