Search a number
-
+
10303323221 = 47239917237
BaseRepresentation
bin10011001100010000…
…00011110001010101
3222121001112001100202
421212020003301111
5132100122320341
64422215550245
7513216542132
oct114610036125
928531461322
1010303323221
114407a59264
121bb668b385
13c827aca79
146da55d589
1540482679b
hex266203c55

10303323221 has 8 divisors (see below), whose sum is σ = 10566581760. Its totient is φ = 10041899728.

The previous prime is 10303323197. The next prime is 10303323269. The reversal of 10303323221 is 12232330301.

10303323221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10303323221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10303323193 and 10303323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303323281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447386 + ... + 469851.

It is an arithmetic number, because the mean of its divisors is an integer number (1320822720).

Almost surely, 210303323221 is an apocalyptic number.

It is an amenable number.

10303323221 is a deficient number, since it is larger than the sum of its proper divisors (263258539).

10303323221 is an equidigital number, since it uses as much as digits as its factorization.

10303323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917523.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 10303323221 its reverse (12232330301), we get a palindrome (22535653522).

The spelling of 10303323221 in words is "ten billion, three hundred three million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 47 239 11233 917237 43110139 219219643 10303323221