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10303320985 = 517121215541
BaseRepresentation
bin10011001100010000…
…00011001110011001
3222121001111221021221
421212020003032121
5132100122232420
64422215532041
7513216532456
oct114610031631
928531457257
1010303320985
114407a57611
121bb668a021
13c827aba49
146da55c82d
15404825caa
hex266203399

10303320985 has 8 divisors (see below), whose sum is σ = 13091278536. Its totient is φ = 7757794560.

The previous prime is 10303320967. The next prime is 10303321003. The reversal of 10303320985 is 58902330301.

It is an interprime number because it is at equal distance from previous prime (10303320967) and next prime (10303321003).

It can be written as a sum of positive squares in 4 ways, for example, as 4555710016 + 5747610969 = 67496^2 + 75813^2 .

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

It is not a de Polignac number, because 10303320985 - 25 = 10303320953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10303320985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60607686 + ... + 60607855.

It is an arithmetic number, because the mean of its divisors is an integer number (1636409817).

Almost surely, 210303320985 is an apocalyptic number.

It is an amenable number.

10303320985 is a deficient number, since it is larger than the sum of its proper divisors (2787957551).

10303320985 is a wasteful number, since it uses less digits than its factorization.

10303320985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121215563.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 10303320985 in words is "ten billion, three hundred three million, three hundred twenty thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 121215541 606077705 2060664197 10303320985