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1213360630 = 25235275481
BaseRepresentation
bin100100001010010…
…0110100111110110
310010120011002212121
41020110212213312
54441110020010
6320222310154
742032252356
oct11024464766
93116132777
101213360630
11572a01889
1229a42835a
131644c1891
14b720ab66
15717c93da
hex485269f6

1213360630 has 16 divisors (see below), whose sum is σ = 2279008224. Its totient is φ = 464242240.

The previous prime is 1213360613. The next prime is 1213360657. The reversal of 1213360630 is 360633121.

It is a junction number, because it is equal to n+sod(n) for n = 1213360595 and 1213360604.

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, 2637511 + ... + 2637970.

It is an arithmetic number, because the mean of its divisors is an integer number (142438014).

Almost surely, 21213360630 is an apocalyptic number.

1213360630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213360630 is a deficient number, since it is larger than the sum of its proper divisors (1065647594).

1213360630 is a wasteful number, since it uses less digits than its factorization.

1213360630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275511.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1213360630 is about 34833.3264274315. The cubic root of 1213360630 is about 1066.5878523581.

Adding to 1213360630 its reverse (360633121), we get a palindrome (1573993751).

The spelling of 1213360630 in words is "one billion, two hundred thirteen million, three hundred sixty thousand, six hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 5275481 10550962 26377405 52754810 121336063 242672126 606680315 1213360630