Search a number
-
+
613017540145 = 5137894916117
BaseRepresentation
bin10001110101110101011…
…00010101011000110001
32011121022020122121111201
420322322230111120301
540020424442241040
61145341045211201
762201101055053
oct10727254253061
92147266577451
10613017540145
11216a8546913a
129a982400b01
1345a65860a9a
14219550978d3
1510e2cad6a9a
hex8ebab15631

613017540145 has 8 divisors (see below), whose sum is σ = 740990545704. Its totient is φ = 486834367104.

The previous prime is 613017540119. The next prime is 613017540169. The reversal of 613017540145 is 541045710316.

613017540145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 116884669456 + 496132870689 = 341884^2 + 704367^2 .

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 613017540145 - 213 = 613017531953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447457374 + ... + 447458743.

It is an arithmetic number, because the mean of its divisors is an integer number (92623818213).

Almost surely, 2613017540145 is an apocalyptic number.

It is an amenable number.

613017540145 is a deficient number, since it is larger than the sum of its proper divisors (127973005559).

613017540145 is a wasteful number, since it uses less digits than its factorization.

613017540145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894916259.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 613017540145 in words is "six hundred thirteen billion, seventeen million, five hundred forty thousand, one hundred forty-five".

Divisors: 1 5 137 685 894916117 4474580585 122603508029 613017540145