Base | Representation |
---|---|
bin | 1100110011010000… |
… | …01000011110110101 |
3 | 122201221122012000200 |
4 | 12121220020132311 |
5 | 103033313324340 |
6 | 3053535231113 |
7 | 332206310661 |
oct | 63150103665 |
9 | 18657565020 |
10 | 6872401845 |
11 | 2a07323251 |
12 | 13b9678499 |
13 | 856a4b78a |
14 | 492a238a1 |
15 | 2a3512330 |
hex | 199a087b5 |
6872401845 has 24 divisors (see below), whose sum is σ = 11991063552. Its totient is φ = 3641004000.
The previous prime is 6872401831. The next prime is 6872401847. The reversal of 6872401845 is 5481042786.
It is not a de Polignac number, because 6872401845 - 25 = 6872401813 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 6872401845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6872401847) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498901 + ... + 512490.
It is an arithmetic number, because the mean of its divisors is an integer number (499627648).
Almost surely, 26872401845 is an apocalyptic number.
It is an amenable number.
6872401845 is a deficient number, since it is larger than the sum of its proper divisors (5118661707).
6872401845 is a wasteful number, since it uses less digits than its factorization.
6872401845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011553 (or 1011550 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 45.
The square root of 6872401845 is about 82899.9508142194. The cubic root of 6872401845 is about 1901.2366690500.
The spelling of 6872401845 in words is "six billion, eight hundred seventy-two million, four hundred one thousand, eight hundred forty-five".
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