Search a number
-
+
103411215612 = 223259167291539
BaseRepresentation
bin110000001001111001…
…0011110110011111100
3100212220220110001100200
41200103302132303330
53143241232344422
6115301221123500
710320424554345
oct1402362366374
9325826401320
10103411215612
113a946a31961
1218060259590
1399a0461513
14501010b0cc
152a5395a2ac
hex1813c9ecfc

103411215612 has 72 divisors (see below), whose sum is σ = 267423811200. Its totient is φ = 33683134368.

The previous prime is 103411215581. The next prime is 103411215617. The reversal of 103411215612 is 216512114301.

103411215612 is a `hidden beast` number, since 1 + 0 + 3 + 41 + 1 + 2 + 1 + 5 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103411215617) 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, 208939 + ... + 500477.

It is an arithmetic number, because the mean of its divisors is an integer number (3714219600).

Almost surely, 2103411215612 is an apocalyptic number.

103411215612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103411215612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133711905600).

103411215612 is an abundant number, since it is smaller than the sum of its proper divisors (164012595588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103411215612 is a wasteful number, since it uses less digits than its factorization.

103411215612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291775 (or 291770 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 103411215612 its reverse (216512114301), we get a palindrome (319923329913).

The spelling of 103411215612 in words is "one hundred three billion, four hundred eleven million, two hundred fifteen thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 59 118 167 177 236 334 354 501 531 668 708 1002 1062 1503 2004 2124 3006 6012 9853 19706 29559 39412 59118 88677 118236 177354 291539 354708 583078 874617 1166156 1749234 2623851 3498468 5247702 10495404 17200801 34401602 48687013 51602403 68803204 97374026 103204806 146061039 154807209 194748052 206409612 292122078 309614418 438183117 584244156 619228836 876366234 1752732468 2872533767 5745067534 8617601301 11490135068 17235202602 25852803903 34470405204 51705607806 103411215612