Base | Representation |
---|---|
bin | 1100110011010011… |
… | …00010111101001111 |
3 | 122201222100000101002 |
4 | 12121221202331033 |
5 | 103033412204211 |
6 | 3053551210515 |
7 | 332212413260 |
oct | 63151427517 |
9 | 18658300332 |
10 | 6872772431 |
11 | 2a07556718 |
12 | 13b9816a3b |
13 | 856b4b365 |
14 | 492abc967 |
15 | 2a358703b |
hex | 199a62f4f |
6872772431 has 16 divisors (see below), whose sum is σ = 8157245184. Its totient is φ = 5668052544.
The previous prime is 6872772407. The next prime is 6872772433. The reversal of 6872772431 is 1342772786.
It is not a de Polignac number, because 6872772431 - 214 = 6872756047 is a prime.
It is a super-2 number, since 2×68727724312 = 94470001776627299522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6872772433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150230 + ... + 190563.
It is an arithmetic number, because the mean of its divisors is an integer number (509827824).
Almost surely, 26872772431 is an apocalyptic number.
6872772431 is a deficient number, since it is larger than the sum of its proper divisors (1284472753).
6872772431 is a wasteful number, since it uses less digits than its factorization.
6872772431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 340910.
The product of its digits is 790272, while the sum is 47.
The square root of 6872772431 is about 82902.1859241359. The cubic root of 6872772431 is about 1901.2708424023.
The spelling of 6872772431 in words is "six billion, eight hundred seventy-two million, seven hundred seventy-two thousand, four hundred thirty-one".
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