Base | Representation |
---|---|
bin | 1100111000000101… |
… | …10111111000000000 |
3 | 122211202222001210010 |
4 | 12130002313320000 |
5 | 103124204404034 |
6 | 3101544504520 |
7 | 333211146150 |
oct | 63402677000 |
9 | 18752861703 |
10 | 6912966144 |
11 | 2a28209867 |
12 | 140b17b140 |
13 | 862282116 |
14 | 498182760 |
15 | 2a6d763e9 |
hex | 19c0b7e00 |
6912966144 has 80 divisors (see below), whose sum is σ = 21047545728. Its totient is φ = 1975130112.
The previous prime is 6912966127. The next prime is 6912966149. The reversal of 6912966144 is 4416692196.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 6912966093 and 6912966102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6912966149) 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, 310722 + ... + 332225.
Almost surely, 26912966144 is an apocalyptic number.
6912966144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
6912966144 is an abundant number, since it is smaller than the sum of its proper divisors (14134579584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6912966144 is an equidigital number, since it uses as much as digits as its factorization.
6912966144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 642975 (or 642959 counting only the distinct ones).
The product of its digits is 559872, while the sum is 48.
The square root of 6912966144 is about 83144.2490133864. The cubic root of 6912966144 is about 1904.9700115835.
The spelling of 6912966144 in words is "six billion, nine hundred twelve million, nine hundred sixty-six thousand, one hundred forty-four".
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