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1213003214 = 2606501607
BaseRepresentation
bin100100001001100…
…1111010111001110
310010112110221120222
41020103033113032
54441012100324
6320210511342
742026233343
oct11023172716
93115427528
101213003214
115727882a5
1229a295552
131643c7ca7
14b71567ca
157175855e
hex484cf5ce

1213003214 has 4 divisors (see below), whose sum is σ = 1819504824. Its totient is φ = 606501606.

The previous prime is 1213003199. The next prime is 1213003229. The reversal of 1213003214 is 4123003121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4123003121 = 17412368181.

It is an interprime number because it is at equal distance from previous prime (1213003199) and next prime (1213003229).

It is a junction number, because it is equal to n+sod(n) for n = 1213003192 and 1213003201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303250802 + ... + 303250805.

It is an arithmetic number, because the mean of its divisors is an integer number (454876206).

Almost surely, 21213003214 is an apocalyptic number.

1213003214 is a deficient number, since it is larger than the sum of its proper divisors (606501610).

1213003214 is an equidigital number, since it uses as much as digits as its factorization.

1213003214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606501609.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213003214 is about 34828.1956753433. The cubic root of 1213003214 is about 1066.4831148789.

Adding to 1213003214 its reverse (4123003121), we get a palindrome (5336006335).

The spelling of 1213003214 in words is "one billion, two hundred thirteen million, three thousand, two hundred fourteen".

Divisors: 1 2 606501607 1213003214