Base | Representation |
---|---|
bin | 11101000010001101111… |
… | …011011010100100110111 |
3 | 21001202002010100000201011 |
4 | 131002031323122210313 |
5 | 230142230433110101 |
6 | 4124334154013051 |
7 | 264103025033143 |
oct | 35021573324467 |
9 | 7052063300634 |
10 | 1995245988151 |
11 | 6aa1a7387379 |
12 | 282837a17187 |
13 | 1161c6672100 |
14 | 6c7db342223 |
15 | 36d7a966751 |
hex | 1d08deda937 |
1995245988151 has 6 divisors (see below), whose sum is σ = 2160532638240. Its totient is φ = 1841765527368.
The previous prime is 1995245988137. The next prime is 1995245988187. The reversal of 1995245988151 is 1518895425991.
It is a happy number.
It is not a de Polignac number, because 1995245988151 - 27 = 1995245988023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1995245988101) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 5903094471 + ... + 5903094808.
It is an arithmetic number, because the mean of its divisors is an integer number (360088773040).
Almost surely, 21995245988151 is an apocalyptic number.
1995245988151 is a deficient number, since it is larger than the sum of its proper divisors (165286650089).
1995245988151 is a wasteful number, since it uses less digits than its factorization.
1995245988151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11806189305 (or 11806189292 counting only the distinct ones).
The product of its digits is 46656000, while the sum is 67.
The spelling of 1995245988151 in words is "one trillion, nine hundred ninety-five billion, two hundred forty-five million, nine hundred eighty-eight thousand, one hundred fifty-one".
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