Base | Representation |
---|---|
bin | 1101001011010010… |
… | …10101101011100000 |
3 | 200021000001200221100 |
4 | 12211221111223200 |
5 | 103441423412030 |
6 | 3125541154400 |
7 | 340205246565 |
oct | 64551255340 |
9 | 20230050840 |
10 | 7074044640 |
11 | 3000128493 |
12 | 14550bba00 |
13 | 88975c740 |
14 | 4b171286c |
15 | 2b6093360 |
hex | 1a5a55ae0 |
7074044640 has 144 divisors (see below), whose sum is σ = 25997182848. Its totient is φ = 1741298688.
The previous prime is 7074044639. The next prime is 7074044647. The reversal of 7074044640 is 464404707.
7074044640 is a `hidden beast` number, since 7 + 0 + 7 + 4 + 0 + 4 + 4 + 640 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 7074044595 and 7074044604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7074044647) 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, 170224 + ... + 207663.
It is an arithmetic number, because the mean of its divisors is an integer number (180535992).
Almost surely, 27074044640 is an apocalyptic number.
It is an amenable number.
7074044640 is an abundant number, since it is smaller than the sum of its proper divisors (18923138208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7074044640 is a wasteful number, since it uses less digits than its factorization.
7074044640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377921 (or 377910 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 36.
The square root of 7074044640 is about 84107.3399888500. The cubic root of 7074044640 is about 1919.6524110360.
The spelling of 7074044640 in words is "seven billion, seventy-four million, forty-four thousand, six hundred forty".
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