Base | Representation |
---|---|
bin | 101110101011101010000… |
… | …0000011100000001001101 |
3 | 211201100200002210011020121 |
4 | 1131113110000130001031 |
5 | 1320104322410314420 |
6 | 21351235450144541 |
7 | 1231352023111303 |
oct | 135272400340115 |
9 | 24640602704217 |
10 | 6415943057485 |
11 | 2053a93657915 |
12 | 877552422151 |
13 | 377036a07c60 |
14 | 182767540273 |
15 | b1d6037a2aa |
hex | 5d5d401c04d |
6415943057485 has 64 divisors (see below), whose sum is σ = 8637741149184. Its totient is φ = 4544599219200.
The previous prime is 6415943057441. The next prime is 6415943057509. The reversal of 6415943057485 is 5847503495146.
It is not a de Polignac number, because 6415943057485 - 213 = 6415943049293 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (61).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51558190 + ... + 51682480.
It is an arithmetic number, because the mean of its divisors is an integer number (134964705456).
Almost surely, 26415943057485 is an apocalyptic number.
6415943057485 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
6415943057485 is a deficient number, since it is larger than the sum of its proper divisors (2221798091699).
6415943057485 is a wasteful number, since it uses less digits than its factorization.
6415943057485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124694.
The product of its (nonzero) digits is 72576000, while the sum is 61.
The spelling of 6415943057485 in words is "six trillion, four hundred fifteen billion, nine hundred forty-three million, fifty-seven thousand, four hundred eighty-five".
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