Search a number
-
+
13220301210 = 23519313731663
BaseRepresentation
bin11000100111111110…
…11100100110011010
31021010100022212220120
430103333130212122
5204033344114320
610023500534110
7645416464134
oct142377344632
937110285816
1013220301210
115674573a76
12268b551336
131328c1654c
148d5b14054
1552596b440
hex313fdc99a

13220301210 has 64 divisors (see below), whose sum is σ = 31935541248. Its totient is φ = 3502485504.

The previous prime is 13220301167. The next prime is 13220301229. The reversal of 13220301210 is 1210302231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13220301210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7948839 + ... + 7950501.

It is an arithmetic number, because the mean of its divisors is an integer number (498992832).

Almost surely, 213220301210 is an apocalyptic number.

13220301210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220301210 is an abundant number, since it is smaller than the sum of its proper divisors (18715240038).

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

13220301210 is a wasteful number, since it uses less digits than its factorization.

13220301210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13220301210 its reverse (1210302231), we get a palindrome (14430603441).

The spelling of 13220301210 in words is "thirteen billion, two hundred twenty million, three hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 193 386 579 965 1158 1373 1663 1930 2746 2895 3326 4119 4989 5790 6865 8238 8315 9978 13730 16630 20595 24945 41190 49890 264989 320959 529978 641918 794967 962877 1324945 1589934 1604795 1925754 2283299 2649890 3209590 3974835 4566598 4814385 6849897 7949670 9628770 11416495 13699794 22832990 34249485 68498970 440676707 881353414 1322030121 2203383535 2644060242 4406767070 6610150605 13220301210