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3121333300009 = 17644532848709
BaseRepresentation
bin101101011010111101111…
…101100110101100101001
3102001101201002021112201101
4231122331331212230221
5402114442311100014
610345530513121401
7441336356201401
oct55327575465451
912041632245641
103121333300009
11aa3828302931
12424b28259261
13198457011292
14ab10534b801
15562d67b6474
hex2d6bdf66b29

3121333300009 has 8 divisors (see below), whose sum is σ = 3304993578120. Its totient is φ = 2937678848256.

The previous prime is 3121333299949. The next prime is 3121333300079. The reversal of 3121333300009 is 9000033331213.

It can be written as a sum of positive squares in 4 ways, for example, as 7925984784 + 3113407315225 = 89028^2 + 1764485^2 .

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 3121333300009 - 217 = 3121333168937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121333300009.

It is not an unprimeable number, because it can be changed into a prime (3121333300079) 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, 328654 + ... + 2520055.

It is an arithmetic number, because the mean of its divisors is an integer number (413124197265).

Almost surely, 23121333300009 is an apocalyptic number.

It is an amenable number.

3121333300009 is a deficient number, since it is larger than the sum of its proper divisors (183660278111).

3121333300009 is a wasteful number, since it uses less digits than its factorization.

3121333300009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913179.

The product of its (nonzero) digits is 4374, while the sum is 28.

The spelling of 3121333300009 in words is "three trillion, one hundred twenty-one billion, three hundred thirty-three million, three hundred thousand, nine".

Divisors: 1 17 64453 1095701 2848709 48428053 183607841177 3121333300009