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10001331305 = 57285752323
BaseRepresentation
bin10010101000010000…
…00011010001101001
3221211000021021022222
421110020003101221
5130440320100210
64332231123425
7502561625210
oct112410032151
927730237288
1010001331305
114272544269
121b31513575
13c35065424
146ac3cc077
153d8072655
hex254203469

10001331305 has 8 divisors (see below), whose sum is σ = 13716111552. Its totient is φ = 6858055728.

The previous prime is 10001331289. The next prime is 10001331313. The reversal of 10001331305 is 50313310001.

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

It is a cyclic number.

It is not a de Polignac number, because 10001331305 - 24 = 10001331289 is a prime.

It is a Duffinian number.

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, 142876127 + ... + 142876196.

It is an arithmetic number, because the mean of its divisors is an integer number (1714513944).

Almost surely, 210001331305 is an apocalyptic number.

It is an amenable number.

10001331305 is a deficient number, since it is larger than the sum of its proper divisors (3714780247).

10001331305 is an equidigital number, since it uses as much as digits as its factorization.

10001331305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285752335.

The product of its (nonzero) digits is 135, while the sum is 17.

Adding to 10001331305 its reverse (50313310001), we get a palindrome (60314641306).

The spelling of 10001331305 in words is "ten billion, one million, three hundred thirty-one thousand, three hundred five".

Divisors: 1 5 7 35 285752323 1428761615 2000266261 10001331305