Search a number
-
+
2654245139 = 713171715737
BaseRepresentation
bin1001111000110100…
…1001000100010011
320211222102121211112
42132031021010103
520413441321024
61115213403535
7122526466010
oct23615110423
96758377745
102654245139
111142285727
12620a995ab
13333b86670
141b2722707
1510804800e
hex9e349113

2654245139 has 16 divisors (see below), whose sum is σ = 3458927808. Its totient is φ = 1976527872.

The previous prime is 2654245129. The next prime is 2654245151. The reversal of 2654245139 is 9315424562.

It is a cyclic number.

It is not a de Polignac number, because 2654245139 - 28 = 2654244883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2654245096 and 2654245105.

It is not an unprimeable number, because it can be changed into a prime (2654245129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856322 + ... + 859415.

It is an arithmetic number, because the mean of its divisors is an integer number (216182988).

Almost surely, 22654245139 is an apocalyptic number.

2654245139 is a deficient number, since it is larger than the sum of its proper divisors (804682669).

2654245139 is a wasteful number, since it uses less digits than its factorization.

2654245139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715774.

The product of its digits is 259200, while the sum is 41.

The square root of 2654245139 is about 51519.3666401286. The cubic root of 2654245139 is about 1384.5660452807.

The spelling of 2654245139 in words is "two billion, six hundred fifty-four million, two hundred forty-five thousand, one hundred thirty-nine".

Divisors: 1 7 13 17 91 119 221 1547 1715737 12010159 22304581 29167529 156132067 204172703 379177877 2654245139