Base | Representation |
---|---|
bin | 11101000000111111100… |
… | …010101011110110111111 |
3 | 21001121200110201201220021 |
4 | 131000333202223312333 |
5 | 230132032301214440 |
6 | 4123555454433011 |
7 | 264025315566646 |
oct | 35007742536677 |
9 | 7047613651807 |
10 | 1993930882495 |
11 | 6a9692001aa2 |
12 | 28252b502767 |
13 | 116047078696 |
14 | 6c71480c35d |
15 | 36d0029084a |
hex | 1d03f8abdbf |
1993930882495 has 32 divisors (see below), whose sum is σ = 2507358043008. Its totient is φ = 1519313883648.
The previous prime is 1993930882459. The next prime is 1993930882511. The reversal of 1993930882495 is 5942880393991.
It is not a de Polignac number, because 1993930882495 - 223 = 1993922493887 is a prime.
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 31 ways as a sum of consecutive naturals, for example, 52127517 + ... + 52165753.
It is an arithmetic number, because the mean of its divisors is an integer number (78354938844).
Almost surely, 21993930882495 is an apocalyptic number.
1993930882495 is a deficient number, since it is larger than the sum of its proper divisors (513427160513).
1993930882495 is a wasteful number, since it uses less digits than its factorization.
1993930882495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40179.
The product of its (nonzero) digits is 151165440, while the sum is 70.
The spelling of 1993930882495 in words is "one trillion, nine hundred ninety-three billion, nine hundred thirty million, eight hundred eighty-two thousand, four hundred ninety-five".
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