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1213013133230 = 25449270158827
BaseRepresentation
bin10001101001101101001…
…101111000011110101110
311021221222222012202211212
4101221231031320132232
5124333222330230410
62325130041114422
7153431411336663
oct21515515703656
94257888182755
101213013133230
11428488321758
1217710b788a12
138a504607442
14429d2911a6a
1521847383b05
hex11a6d3787ae

1213013133230 has 16 divisors (see below), whose sum is σ = 2188286506800. Its totient is φ = 484124616192.

The previous prime is 1213013133203. The next prime is 1213013133247. The reversal of 1213013133230 is 323313103121.

It is a super-2 number, since 2×12130131332302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213013133196 and 1213013133205.

It is a congruent number.

It is an unprimeable number.

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, 135074924 + ... + 135083903.

It is an arithmetic number, because the mean of its divisors is an integer number (136767906675).

Almost surely, 21213013133230 is an apocalyptic number.

1213013133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213013133230 is a deficient number, since it is larger than the sum of its proper divisors (975273373570).

1213013133230 is a wasteful number, since it uses less digits than its factorization.

1213013133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270159283.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1213013133230 its reverse (323313103121), we get a palindrome (1536326236351).

The spelling of 1213013133230 in words is "one trillion, two hundred thirteen billion, thirteen million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 449 898 2245 4490 270158827 540317654 1350794135 2701588270 121301313323 242602626646 606506566615 1213013133230