Base | Representation |
---|---|
bin | 1100110110100101… |
… | …01110100100111101 |
3 | 122210220012212000212 |
4 | 12123102232210331 |
5 | 103112442021044 |
6 | 3100414202205 |
7 | 332665652225 |
oct | 63322564475 |
9 | 18726185025 |
10 | 6900345149 |
11 | 2a21079495 |
12 | 1406ab3365 |
13 | 85c783589 |
14 | 496619085 |
15 | 2a5bd1a9e |
hex | 19b4ae93d |
6900345149 has 32 divisors (see below), whose sum is σ = 7445053440. Its totient is φ = 6384168000.
The previous prime is 6900345119. The next prime is 6900345167. The reversal of 6900345149 is 9415430096.
It is a cyclic number.
It is not a de Polignac number, because 6900345149 - 212 = 6900341053 is a prime.
It is a super-2 number, since 2×69003451492 = 95229526350655664402, which contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6900345119) 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 31 ways as a sum of consecutive naturals, for example, 14405492 + ... + 14405970.
It is an arithmetic number, because the mean of its divisors is an integer number (232657920).
Almost surely, 26900345149 is an apocalyptic number.
It is an amenable number.
6900345149 is a deficient number, since it is larger than the sum of its proper divisors (544708291).
6900345149 is a wasteful number, since it uses less digits than its factorization.
6900345149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761.
The product of its (nonzero) digits is 116640, while the sum is 41.
The square root of 6900345149 is about 83068.3161560411. The cubic root of 6900345149 is about 1903.8100047753.
The spelling of 6900345149 in words is "six billion, nine hundred million, three hundred forty-five thousand, one hundred forty-nine".
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