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1213130110 = 25121313011
BaseRepresentation
bin100100001001110…
…1110010101111110
310010112201101122211
41020103232111332
54441030130420
6320213331034
742030302323
oct11023562576
93115641584
101213130110
11572864675
1229a336a7a
1316444098a
14b718ab4a
1571780e5a
hex484ee57e

1213130110 has 8 divisors (see below), whose sum is σ = 2183634216. Its totient is φ = 485252040.

The previous prime is 1213130071. The next prime is 1213130123. The reversal of 1213130110 is 110313121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12131301102 = 2943369327577224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60656496 + ... + 60656515.

It is an arithmetic number, because the mean of its divisors is an integer number (272954277).

Almost surely, 21213130110 is an apocalyptic number.

1213130110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213130110 is a deficient number, since it is larger than the sum of its proper divisors (970504106).

1213130110 is a wasteful number, since it uses less digits than its factorization.

1213130110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121313018.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1213130110 is about 34830.0173700789. The cubic root of 1213130110 is about 1066.5203029426.

Adding to 1213130110 its reverse (110313121), we get a palindrome (1323443231).

The spelling of 1213130110 in words is "one billion, two hundred thirteen million, one hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 121313011 242626022 606565055 1213130110