Base | Representation |
---|---|
bin | 110010000000001010100… |
… | …0001011011111100001001 |
3 | 220022222121102120201112002 |
4 | 1210000111001123330021 |
5 | 1400043432343343341 |
6 | 22341031411200345 |
7 | 1306336003223021 |
oct | 144002501337411 |
9 | 26288542521462 |
10 | 6872300371721 |
11 | 220a587443574 |
12 | 92ba935a60b5 |
13 | 3ab0941c91c5 |
14 | 19a89a494a81 |
15 | bdb6e7d229b |
hex | 6401505bf09 |
6872300371721 has 8 divisors (see below), whose sum is σ = 6910560036744. Its totient is φ = 6834043906560.
The previous prime is 6872300371693. The next prime is 6872300371787. The reversal of 6872300371721 is 1271730032786.
It can be written as a sum of positive squares in 4 ways, for example, as 913819371721 + 5958481000000 = 955939^2 + 2441000^2 .
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 6872300371721 - 238 = 6597422464777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6872300371921) 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 7 ways as a sum of consecutive naturals, for example, 3573731 + ... + 5149383.
It is an arithmetic number, because the mean of its divisors is an integer number (863820004593).
Almost surely, 26872300371721 is an apocalyptic number.
It is an amenable number.
6872300371721 is a deficient number, since it is larger than the sum of its proper divisors (38259665023).
6872300371721 is a wasteful number, since it uses less digits than its factorization.
6872300371721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1599931.
The product of its (nonzero) digits is 592704, while the sum is 47.
The spelling of 6872300371721 in words is "six trillion, eight hundred seventy-two billion, three hundred million, three hundred seventy-one thousand, seven hundred twenty-one".
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