Base | Representation |
---|---|
bin | 110010001011110011010… |
… | …0001110111111000001011 |
3 | 220102101010000020221221001 |
4 | 1210113212201313320023 |
5 | 1401001122234240022 |
6 | 22400323224555431 |
7 | 1311212164640461 |
oct | 144274641677013 |
9 | 26371100227831 |
10 | 6897290149387 |
11 | 221a140528390 |
12 | 9348a8622b77 |
13 | 3b05475938b1 |
14 | 19bb8b33a831 |
15 | be633635b27 |
hex | 645e6877e0b |
6897290149387 has 16 divisors (see below), whose sum is σ = 7593693891552. Its totient is φ = 6212675589120.
The previous prime is 6897290149367. The next prime is 6897290149423. The reversal of 6897290149387 is 7839410927986.
It is not a de Polignac number, because 6897290149387 - 27 = 6897290149259 is a prime.
It is a super-2 number, since 2×68972901493872 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6897290149367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047308 + ... + 6266569.
It is an arithmetic number, because the mean of its divisors is an integer number (474605868222).
Almost surely, 26897290149387 is an apocalyptic number.
6897290149387 is a deficient number, since it is larger than the sum of its proper divisors (696403742165).
6897290149387 is a wasteful number, since it uses less digits than its factorization.
6897290149387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11314398.
The product of its (nonzero) digits is 329204736, while the sum is 73.
The spelling of 6897290149387 in words is "six trillion, eight hundred ninety-seven billion, two hundred ninety million, one hundred forty-nine thousand, three hundred eighty-seven".
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