Search a number
-
+
6542913541 = 137167285979
BaseRepresentation
bin1100001011111110…
…01111000000000101
3121212222122110001011
412011333033000011
5101344441213131
63001125202221
7321065563453
oct60577170005
917788573034
106542913541
11285833886a
121327260371
138036c7898
14460d759d3
1528462b0b1
hex185fcf005

6542913541 has 8 divisors (see below), whose sum is σ = 6630160320. Its totient is φ = 6456239328.

The previous prime is 6542913521. The next prime is 6542913551. The reversal of 6542913541 is 1453192456.

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 6542913541 - 223 = 6534524933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6542913494 and 6542913503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542913521) 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, 120111 + ... + 165868.

It is an arithmetic number, because the mean of its divisors is an integer number (828770040).

Almost surely, 26542913541 is an apocalyptic number.

It is an amenable number.

6542913541 is a deficient number, since it is larger than the sum of its proper divisors (87246779).

6542913541 is a wasteful number, since it uses less digits than its factorization.

6542913541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286283.

The product of its digits is 129600, while the sum is 40.

The square root of 6542913541 is about 80888.2781433750. The cubic root of 6542913541 is about 1870.3536312541.

The spelling of 6542913541 in words is "six billion, five hundred forty-two million, nine hundred thirteen thousand, five hundred forty-one".

Divisors: 1 137 167 22879 285979 39179123 47758493 6542913541