Search a number
-
+
13220884830 = 235440696161
BaseRepresentation
bin11000101000000011…
…01011000101011110
31021010101102112111010
430110001223011132
5204034021303310
610023521240050
7645424444506
oct142401530536
937111375433
1013220884830
1156749324aa
12268b793026
13132908c09a
148d5c26a06
15525a34320
hex31406b15e

13220884830 has 16 divisors (see below), whose sum is σ = 31730123664. Its totient is φ = 3525569280.

The previous prime is 13220884823. The next prime is 13220884841. The reversal of 13220884830 is 3848802231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220348051 + ... + 220348110.

It is an arithmetic number, because the mean of its divisors is an integer number (1983132729).

Almost surely, 213220884830 is an apocalyptic number.

13220884830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220884830 is an abundant number, since it is smaller than the sum of its proper divisors (18509238834).

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

13220884830 is a wasteful number, since it uses less digits than its factorization.

13220884830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440696171.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 13220884830 in words is "thirteen billion, two hundred twenty million, eight hundred eighty-four thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 440696161 881392322 1322088483 2203480805 2644176966 4406961610 6610442415 13220884830