Search a number
-
+
5661031045 = 52699419491
BaseRepresentation
bin1010100010110110…
…00111101010000101
3112121112020011200111
411101123013222011
543043210443140
62333423313021
7260166653455
oct52133075205
915545204614
105661031045
11244556045a
12111ba4b771
136c2aa5817
143b9bb3d65
15231ecc7ea
hex1516c7a85

5661031045 has 8 divisors (see below), whose sum is σ = 6795770400. Its totient is φ = 4527136080.

The previous prime is 5661031037. The next prime is 5661031049. The reversal of 5661031045 is 5401301665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5661031045 - 23 = 5661031037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5661030998 and 5661031016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661031049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196251 + ... + 223240.

It is an arithmetic number, because the mean of its divisors is an integer number (849471300).

Almost surely, 25661031045 is an apocalyptic number.

It is an amenable number.

5661031045 is a deficient number, since it is larger than the sum of its proper divisors (1134739355).

5661031045 is a wasteful number, since it uses less digits than its factorization.

5661031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422195.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5661031045 is about 75239.8235311593. The cubic root of 5661031045 is about 1782.2358644409.

The spelling of 5661031045 in words is "five billion, six hundred sixty-one million, thirty-one thousand, forty-five".

Divisors: 1 5 2699 13495 419491 2097455 1132206209 5661031045