Search a number
-
+
13025643111 = 3213111330283
BaseRepresentation
bin11000010000110001…
…11000101001100111
31020121210001020012100
430020120320221213
5203134031034421
65552304423143
7640534065615
oct141030705147
936553036170
1013025643111
1155846aa508
122636317ab3
1312c77ac840
148b7d226b5
15513819c26
hex308638a67

13025643111 has 12 divisors (see below), whose sum is σ = 20262111688. Its totient is φ = 8015780304.

The previous prime is 13025643079. The next prime is 13025643179. The reversal of 13025643111 is 11134652031.

It is a happy number.

13025643111 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 5 + 643 + 1 + 11 = 666.

It is not a de Polignac number, because 13025643111 - 25 = 13025643079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025643011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55665025 + ... + 55665258.

Almost surely, 213025643111 is an apocalyptic number.

13025643111 is a deficient number, since it is larger than the sum of its proper divisors (7236468577).

13025643111 is a wasteful number, since it uses less digits than its factorization.

13025643111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111330302 (or 111330299 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 13025643111 in words is "thirteen billion, twenty-five million, six hundred forty-three thousand, one hundred eleven".

Divisors: 1 3 9 13 39 117 111330283 333990849 1001972547 1447293679 4341881037 13025643111