Search a number
-
+
1213303111332 = 223137777584047
BaseRepresentation
bin10001101001111110100…
…000000011111010100100
311021222202011212012000120
4101221332200003322210
5124334321044030312
62325214520241540
7153441532166124
oct21517640037244
94258664765016
101213303111332
11428616a80584
121771909102b0
138a54c706710
1442a1d236c84
1521862a6328c
hex11a7e803ea4

1213303111332 has 24 divisors (see below), whose sum is σ = 3048812946816. Its totient is φ = 373324034208.

The previous prime is 1213303111331. The next prime is 1213303111409. The reversal of 1213303111332 is 2331113033121.

It is not an unprimeable number, because it can be changed into a prime (1213303111331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888791868 + ... + 3888792179.

It is an arithmetic number, because the mean of its divisors is an integer number (127033872784).

Almost surely, 21213303111332 is an apocalyptic number.

1213303111332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213303111332 is an abundant number, since it is smaller than the sum of its proper divisors (1835509835484).

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

1213303111332 is a wasteful number, since it uses less digits than its factorization.

1213303111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777584067 (or 7777584065 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1213303111332 its reverse (2331113033121), we get a palindrome (3544416144453).

The spelling of 1213303111332 in words is "one trillion, two hundred thirteen billion, three hundred three million, one hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 7777584047 15555168094 23332752141 31110336188 46665504282 93331008564 101108592611 202217185222 303325777833 404434370444 606651555666 1213303111332