Base | Representation |
---|---|
bin | 1101000000011011… |
… | …01101010101110000 |
3 | 200000122120212011210 |
4 | 12200031231111300 |
5 | 103300111243230 |
6 | 3112524040120 |
7 | 335020542024 |
oct | 64015552560 |
9 | 20018525153 |
10 | 6982915440 |
11 | 2a637457a6 |
12 | 142a693040 |
13 | 873903837 |
14 | 4a3590384 |
15 | 2ad091eb0 |
hex | 1a036d570 |
6982915440 has 40 divisors (see below), whose sum is σ = 21647038608. Its totient is φ = 1862110720.
The previous prime is 6982915439. The next prime is 6982915501. The reversal of 6982915440 is 445192896.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×69829154402 = 97522216084380787200, which contains 22 as substring.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 6982915440.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14547501 + ... + 14547980.
Almost surely, 26982915440 is an apocalyptic number.
6982915440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6982915440 is an abundant number, since it is smaller than the sum of its proper divisors (14664123168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6982915440 is a wasteful number, since it uses less digits than its factorization.
6982915440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29095497 (or 29095491 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 48.
The square root of 6982915440 is about 83563.8405053286. The cubic root of 6982915440 is about 1911.3736488772.
The spelling of 6982915440 in words is "six billion, nine hundred eighty-two million, nine hundred fifteen thousand, four hundred forty".
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