Base | Representation |
---|---|
bin | 111100110111111000… |
… | …100000110010000101 |
3 | 20020201012021012212220 |
4 | 330313320200302011 |
5 | 2032330142230121 |
6 | 50005452002553 |
7 | 4502506301526 |
oct | 746770406205 |
9 | 206635235786 |
10 | 65362070661 |
11 | 257a1204118 |
12 | 10801760459 |
13 | 621860a174 |
14 | 3240a8484d |
15 | 1a783796c6 |
hex | f37e20c85 |
65362070661 has 4 divisors (see below), whose sum is σ = 87149427552. Its totient is φ = 43574713772.
The previous prime is 65362070659. The next prime is 65362070731. The reversal of 65362070661 is 16607026356.
65362070661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 65362070661 - 21 = 65362070659 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65362077661) 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, 10893678441 + ... + 10893678446.
It is an arithmetic number, because the mean of its divisors is an integer number (21787356888).
Almost surely, 265362070661 is an apocalyptic number.
It is an amenable number.
65362070661 is a deficient number, since it is larger than the sum of its proper divisors (21787356891).
65362070661 is a wasteful number, since it uses less digits than its factorization.
65362070661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21787356890.
The product of its (nonzero) digits is 272160, while the sum is 42.
The spelling of 65362070661 in words is "sixty-five billion, three hundred sixty-two million, seventy thousand, six hundred sixty-one".
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