Base | Representation |
---|---|
bin | 10110101110101010010011… |
… | …00111000001101000000000 |
3 | 20112222012200110001100111000 |
4 | 23113111021213001220000 |
5 | 23022400130430444332 |
6 | 254145150300052000 |
7 | 13346030560664304 |
oct | 1327251147015000 |
9 | 215865613040430 |
10 | 49981769390592 |
11 | 14a20170887446 |
12 | 5732975534000 |
13 | 21b73507abc30 |
14 | c4b1b830bd04 |
15 | 5ba219402b7c |
hex | 2d75499c1a00 |
49981769390592 has 1280 divisors, whose sum is σ = 169906565283840. Its totient is φ = 14397220454400.
The previous prime is 49981769390557. The next prime is 49981769390689. The reversal of 49981769390592 is 29509396718994.
49981769390592 is a `hidden beast` number, since 4 + 9 + 9 + 8 + 17 + 6 + 9 + 3 + 9 + 0 + 592 = 666.
It is a super-2 number, since 2×499817693905922 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29008571043 + ... + 29008572765.
It is an arithmetic number, because the mean of its divisors is an integer number (132739504128).
It is a 1-persistent number, because it is pandigital, but 2⋅49981769390592 = 99963538781184 is not.
Almost surely, 249981769390592 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49981769390592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84953282641920).
49981769390592 is an abundant number, since it is smaller than the sum of its proper divisors (119924795893248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49981769390592 is a wasteful number, since it uses less digits than its factorization.
49981769390592 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1962 (or 1940 counting only the distinct ones).
The product of its (nonzero) digits is 2380855680, while the sum is 81.
The spelling of 49981769390592 in words is "forty-nine trillion, nine hundred eighty-one billion, seven hundred sixty-nine million, three hundred ninety thousand, five hundred ninety-two".
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