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10303602021 = 326793168533
BaseRepresentation
bin10011001100010010…
…00111110101100101
3222121002001012210200
421212021013311211
5132100210231041
64422225541113
7513222113016
oct114611076545
928532035720
1010303602021
114408129779
121bb67a4799
13c8287993b
146da5d300d
1540487e1b6
hex266247d65

10303602021 has 12 divisors (see below), whose sum is σ = 14885259948. Its totient is φ = 6868016064.

The previous prime is 10303601981. The next prime is 10303602053. The reversal of 10303602021 is 12020630301.

10303602021 is a `hidden beast` number, since 10 + 30 + 3 + 602 + 0 + 21 = 666.

10303602021 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 2 ways, for example, as 1182396996 + 9121205025 = 34386^2 + 95505^2 .

It is not a de Polignac number, because 10303602021 - 217 = 10303470949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10303601985 and 10303602003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303602521) 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 11 ways as a sum of consecutive naturals, for example, 23130 + ... + 145403.

It is an arithmetic number, because the mean of its divisors is an integer number (1240438329).

Almost surely, 210303602021 is an apocalyptic number.

It is an amenable number.

10303602021 is a deficient number, since it is larger than the sum of its proper divisors (4581657927).

10303602021 is a wasteful number, since it uses less digits than its factorization.

10303602021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175332 (or 175329 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The spelling of 10303602021 in words is "ten billion, three hundred three million, six hundred two thousand, twenty-one".

Divisors: 1 3 9 6793 20379 61137 168533 505599 1516797 1144844669 3434534007 10303602021