Search a number
-
+
1220213013310 = 25859142050409
BaseRepresentation
bin10001110000011010010…
…111001111101100111110
311022122120202001120120001
4101300122113033230332
5124442444012411220
62332320315344514
7154105005324004
oct21603227175476
94278522046501
101220213013310
11430542487175
1217859aa5213a
138b0b1154c05
14430b6c1ca74
1521b194d180a
hex11c1a5cfb3e

1220213013310 has 16 divisors (see below), whose sum is σ = 2198940346800. Its totient is φ = 487517000256.

The previous prime is 1220213013289. The next prime is 1220213013311. The reversal of 1220213013310 is 133103120221.

It is a super-2 number, since 2×12202130133102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220213013311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71016615 + ... + 71033794.

It is an arithmetic number, because the mean of its divisors is an integer number (137433771675).

Almost surely, 21220213013310 is an apocalyptic number.

1220213013310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220213013310 is a deficient number, since it is larger than the sum of its proper divisors (978727333490).

1220213013310 is a wasteful number, since it uses less digits than its factorization.

1220213013310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142051275.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220213013310 its reverse (133103120221), we get a palindrome (1353316133531).

The spelling of 1220213013310 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, thirteen thousand, three hundred ten".

Divisors: 1 2 5 10 859 1718 4295 8590 142050409 284100818 710252045 1420504090 122021301331 244042602662 610106506655 1220213013310