Search a number
-
+
13013123103 = 32231011036043
BaseRepresentation
bin11000001111010010…
…01000000000011111
31020120220111010222100
430013221020000133
5203122324414403
65551140220143
7640322502261
oct140751100037
936526433870
1013013123103
115578628aa2
12263209a653
1312c5017c56
148b63c3b31
155126952a3
hex307a4801f

13013123103 has 48 divisors (see below), whose sum is σ = 20003802624. Its totient is φ = 8134948800.

The previous prime is 13013123099. The next prime is 13013123117. The reversal of 13013123103 is 30132131031.

It is a happy number.

It is not a de Polignac number, because 13013123103 - 22 = 13013123099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013123183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2150400 + ... + 2156442.

It is an arithmetic number, because the mean of its divisors is an integer number (416745888).

Almost surely, 213013123103 is an apocalyptic number.

13013123103 is a deficient number, since it is larger than the sum of its proper divisors (6990679521).

13013123103 is a wasteful number, since it uses less digits than its factorization.

13013123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276 (or 6273 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13013123103 its reverse (30132131031), we get a palindrome (43145254134).

The spelling of 13013123103 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, one hundred three".

Divisors: 1 3 9 23 69 101 103 207 303 309 909 927 2323 2369 6043 6969 7107 10403 18129 20907 21321 31209 54387 93627 138989 239269 416967 610343 622429 717807 1250901 1831029 1867287 2153421 5493087 5601861 14037889 14315867 42113667 42947601 62865329 126341001 128842803 188595987 565787961 1445902567 4337707701 13013123103