Base | Representation |
---|---|
bin | 111011011111000… |
… | …0100011101100111 |
3 | 12011002210102112000 |
4 | 1312332010131213 |
5 | 13041432421240 |
6 | 530020500343 |
7 | 100314400350 |
oct | 16676043547 |
9 | 5132712460 |
10 | 1995982695 |
11 | 934753383 |
12 | 47854a6b3 |
13 | 25a69b965 |
14 | 14d130d27 |
15 | ba36c430 |
hex | 76f84767 |
1995982695 has 32 divisors (see below), whose sum is σ = 4055331840. Its totient is φ = 912448800.
The previous prime is 1995982691. The next prime is 1995982697. The reversal of 1995982695 is 5962895991.
1995982695 is a `hidden beast` number, since 19 + 9 + 598 + 26 + 9 + 5 = 666.
It is not a de Polignac number, because 1995982695 - 22 = 1995982691 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1995982691) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 1055131 + ... + 1057020.
It is an arithmetic number, because the mean of its divisors is an integer number (126729120).
Almost surely, 21995982695 is an apocalyptic number.
1995982695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1995982695 is an abundant number, since it is smaller than the sum of its proper divisors (2059349145).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1995982695 is a wasteful number, since it uses less digits than its factorization.
1995982695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2112172 (or 2112166 counting only the distinct ones).
The product of its digits is 15746400, while the sum is 63.
The square root of 1995982695 is about 44676.4221374093. The cubic root of 1995982695 is about 1259.0769032544.
The spelling of 1995982695 in words is "one billion, nine hundred ninety-five million, nine hundred eighty-two thousand, six hundred ninety-five".
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