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10302303213 = 321144700357
BaseRepresentation
bin10011001100001000…
…01010101111101101
3222120222121020011200
421212010022233231
5132044342200323
64422142040113
7513205063266
oct114604125755
928528536150
1010302303213
114407421984
121bb6279039
13c82513707
146da37596d
154046c4443
hex26610abed

10302303213 has 6 divisors (see below), whose sum is σ = 14881104654. Its totient is φ = 6868202136.

The previous prime is 10302303197. The next prime is 10302303217. The reversal of 10302303213 is 31230320301.

10302303213 is a `hidden beast` number, since 10 + 302 + 30 + 321 + 3 = 666.

10302303213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5824284489 + 4478018724 = 76317^2 + 66918^2 .

It is not a de Polignac number, because 10302303213 - 24 = 10302303197 is a prime.

It is a super-2 number, since 2×103023032132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302303217) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 572350170 + ... + 572350187.

It is an arithmetic number, because the mean of its divisors is an integer number (2480184109).

Almost surely, 210302303213 is an apocalyptic number.

It is an amenable number.

10302303213 is a deficient number, since it is larger than the sum of its proper divisors (4578801441).

10302303213 is a wasteful number, since it uses less digits than its factorization.

10302303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144700363 (or 1144700360 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 10302303213 its reverse (31230320301), we get a palindrome (41532623514).

The spelling of 10302303213 in words is "ten billion, three hundred two million, three hundred three thousand, two hundred thirteen".

Divisors: 1 3 9 1144700357 3434101071 10302303213