Search a number
-
+
2542601139 = 313131497671
BaseRepresentation
bin1001011110001101…
…0000001110110011
320120012100112001120
42113203100032303
520201401214024
61100144433323
7120002516211
oct22743201663
96505315046
102542601139
111095260961
125ab618843
133169c6c20
141a197dcb1
15ed343479
hex978d03b3

2542601139 has 16 divisors (see below), whose sum is σ = 3678791424. Its totient is φ = 1552730400.

The previous prime is 2542601111. The next prime is 2542601143. The reversal of 2542601139 is 9311062452.

2542601139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2542601139 - 27 = 2542601011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542601179) 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, 243727 + ... + 253944.

It is an arithmetic number, because the mean of its divisors is an integer number (229924464).

Almost surely, 22542601139 is an apocalyptic number.

2542601139 is a deficient number, since it is larger than the sum of its proper divisors (1136190285).

2542601139 is a wasteful number, since it uses less digits than its factorization.

2542601139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497818.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2542601139 is about 50424.2118332057. The cubic root of 2542601139 is about 1364.8745811855.

The spelling of 2542601139 in words is "two billion, five hundred forty-two million, six hundred one thousand, one hundred thirty-nine".

Divisors: 1 3 13 39 131 393 1703 5109 497671 1493013 6469723 19409169 65194901 195584703 847533713 2542601139