Base | Representation |
---|---|
bin | 11010000111101111111… |
… | …00101101000001011110 |
3 | 10011210122020012121102100 |
4 | 31003313330231001132 |
5 | 104201101322123344 |
6 | 1524151204105530 |
7 | 121562132221404 |
oct | 15036774550136 |
9 | 3153566177370 |
10 | 897513082974 |
11 | 3166a6812272 |
12 | 125b3b3952a6 |
13 | 6683448a881 |
14 | 31622dbd474 |
15 | 1852e037569 |
hex | d0f7f2d05e |
897513082974 has 48 divisors (see below), whose sum is σ = 1994296412160. Its totient is φ = 291580492560.
The previous prime is 897513082937. The next prime is 897513083017. The reversal of 897513082974 is 479280315798.
897513082974 is a `hidden beast` number, since 8 + 97 + 513 + 0 + 8 + 29 + 7 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 2017242 + ... + 2421629.
It is an arithmetic number, because the mean of its divisors is an integer number (41547841920).
Almost surely, 2897513082974 is an apocalyptic number.
897513082974 is an abundant number, since it is smaller than the sum of its proper divisors (1096783329186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
897513082974 is a wasteful number, since it uses less digits than its factorization.
897513082974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4439165 (or 4439162 counting only the distinct ones).
The product of its (nonzero) digits is 30481920, while the sum is 63.
The spelling of 897513082974 in words is "eight hundred ninety-seven billion, five hundred thirteen million, eighty-two thousand, nine hundred seventy-four".
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