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1214000015 = 5242800003
BaseRepresentation
bin100100001011100…
…0010101110001111
310010121100120221112
41020113002232033
54441241000030
6320244122235
742040554434
oct11027025617
93117316845
101214000015
115732a91a8
1229a69637b
13164686907
14b7335b8b
15718a3a95
hex485c2b8f

1214000015 has 4 divisors (see below), whose sum is σ = 1456800024. Its totient is φ = 971200008.

The previous prime is 1213999991. The next prime is 1214000027. The reversal of 1214000015 is 5100004121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1214000015 - 210 = 1213998991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121399997 + ... + 121400006.

It is an arithmetic number, because the mean of its divisors is an integer number (364200006).

Almost surely, 21214000015 is an apocalyptic number.

1214000015 is a deficient number, since it is larger than the sum of its proper divisors (242800009).

1214000015 is an equidigital number, since it uses as much as digits as its factorization.

1214000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242800008.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1214000015 is about 34842.5029956230. The cubic root of 1214000015 is about 1066.7751669687.

Adding to 1214000015 its reverse (5100004121), we get a palindrome (6314004136).

The spelling of 1214000015 in words is "one billion, two hundred fourteen million, fifteen", and thus it is an aban number.

Divisors: 1 5 242800003 1214000015