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13152717886 = 2721161200017
BaseRepresentation
bin11000011111111011…
…01000110000111110
31020221122011022000111
430033331220300332
5203414043433021
610013044220234
7643636154200
oct141775506076
936848138014
1013152717886
11563a403690
12267099a67a
131317c12a09
148cab60770
1551ea6b8e1
hex30ff68c3e

13152717886 has 48 divisors (see below), whose sum is σ = 25447090032. Its totient is φ = 5040403200.

The previous prime is 13152717881. The next prime is 13152717943. The reversal of 13152717886 is 68871725131.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13152717881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34251 + ... + 165766.

It is an arithmetic number, because the mean of its divisors is an integer number (530147709).

Almost surely, 213152717886 is an apocalyptic number.

13152717886 is a deficient number, since it is larger than the sum of its proper divisors (12294372146).

13152717886 is a wasteful number, since it uses less digits than its factorization.

13152717886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200105 (or 200098 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

It can be divided in two parts, 1315 and 2717886, that added together give a square (2719201 = 16492).

The spelling of 13152717886 in words is "thirteen billion, one hundred fifty-two million, seven hundred seventeen thousand, eight hundred eighty-six".

Divisors: 1 2 7 11 14 22 49 61 77 98 122 154 427 539 671 854 1078 1342 2989 4697 5978 9394 32879 65758 200017 400034 1400119 2200187 2800238 4400374 9800833 12201037 15401309 19601666 24402074 30802618 85407259 107809163 134211407 170814518 215618326 268422814 597850813 939479849 1195701626 1878959698 6576358943 13152717886