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10302320213 = 14477119779
BaseRepresentation
bin10011001100001000…
…01110111001010101
3222120222122002111022
421212010032321111
5132044343221323
64422142250525
7513205163663
oct114604167125
928528562438
1010302320213
114407433729
121bb6286a45
13c8251b383
146da37bc33
154046c94c8
hex26610ee55

10302320213 has 4 divisors (see below), whose sum is σ = 10309441440. Its totient is φ = 10295198988.

The previous prime is 10302320177. The next prime is 10302320227. The reversal of 10302320213 is 31202320301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31202320301 = 45176907753.

It is a cyclic number.

It is not a de Polignac number, because 10302320213 - 210 = 10302319189 is a prime.

It is a super-2 number, since 2×103023202132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10302320191 and 10302320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302320113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3558443 + ... + 3561336.

It is an arithmetic number, because the mean of its divisors is an integer number (2577360360).

Almost surely, 210302320213 is an apocalyptic number.

It is an amenable number.

10302320213 is a deficient number, since it is larger than the sum of its proper divisors (7121227).

10302320213 is an equidigital number, since it uses as much as digits as its factorization.

10302320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121226.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10302320213 its reverse (31202320301), we get a palindrome (41504640514).

The spelling of 10302320213 in words is "ten billion, three hundred two million, three hundred twenty thousand, two hundred thirteen".

Divisors: 1 1447 7119779 10302320213