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13220102210 = 257312196523
BaseRepresentation
bin11000100111111101…
…01100000001000010
31021010022221202221012
430103332230001002
5204033321232320
610023452400522
7645415005020
oct142376540102
937108852835
1013220102210
115674448507
12268b476142
131328b76ab3
148d5aa1710
1552592c4c5
hex313fac042

13220102210 has 48 divisors (see below), whose sum is σ = 28101359808. Its totient is φ = 4386371040.

The previous prime is 13220102209. The next prime is 13220102213. The reversal of 13220102210 is 1220102231.

It is a happy number.

It is a super-2 number, since 2×132201022102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (13220102213) 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, 30992 + ... + 165531.

It is an arithmetic number, because the mean of its divisors is an integer number (585444996).

Almost surely, 213220102210 is an apocalyptic number.

13220102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220102210 is an abundant number, since it is smaller than the sum of its proper divisors (14881257598).

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

13220102210 is a wasteful number, since it uses less digits than its factorization.

13220102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196599 (or 196568 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13220102210 its reverse (1220102231), we get a palindrome (14440204441).

The spelling of 13220102210 in words is "thirteen billion, two hundred twenty million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 961 1085 1922 2170 4805 6727 9610 13454 33635 67270 196523 393046 982615 1375661 1965230 2751322 6092213 6878305 12184426 13756610 30461065 42645491 60922130 85290982 188858603 213227455 377717206 426454910 944293015 1322010221 1888586030 2644020442 6610051105 13220102210