Search a number
-
+
103112132013 = 32117011485787
BaseRepresentation
bin110000000000111110…
…1100100010110101101
3100212011001200000210100
41200001331210112231
53142133201211023
6115211414501313
710310133442452
oct1400175442655
9325131600710
10103112132013
113a803123a30
1217b98064839
1399534c4887
144dc24d5829
152a3757cc43
hex1801f645ad

103112132013 has 24 divisors (see below), whose sum is σ = 162711615456. Its totient is φ = 62403012000.

The previous prime is 103112131981. The next prime is 103112132033. The reversal of 103112132013 is 310231211301.

103112132013 is a `hidden beast` number, since 1 + 0 + 311 + 21 + 320 + 13 = 666.

It is not a de Polignac number, because 103112132013 - 25 = 103112131981 is a prime.

It is a super-2 number, since 2×1031121320132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112132033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673495 + ... + 812292.

It is an arithmetic number, because the mean of its divisors is an integer number (6779650644).

Almost surely, 2103112132013 is an apocalyptic number.

It is an amenable number.

103112132013 is a deficient number, since it is larger than the sum of its proper divisors (59599483443).

103112132013 is a wasteful number, since it uses less digits than its factorization.

103112132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486505 (or 1486502 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103112132013 its reverse (310231211301), we get a palindrome (413343343314).

The spelling of 103112132013 in words is "one hundred three billion, one hundred twelve million, one hundred thirty-two thousand, thirteen".

Divisors: 1 3 9 11 33 99 701 2103 6309 7711 23133 69399 1485787 4457361 13372083 16343657 49030971 147092913 1041536687 3124610061 9373830183 11456903557 34370710671 103112132013