Search a number
-
+
1995698334081 = 33717979264271
BaseRepresentation
bin11101000010101000111…
…000111110100110000001
321001210020122111120200010
4131002220320332212001
5230144142233142311
64124451113215133
7264120156643014
oct35025070764601
97053218446603
101995698334081
116aa409755591
122829434014a9
131162692b081a
146c84145137b
1536da5519da6
hex1d0a8e3e981

1995698334081 has 8 divisors (see below), whose sum is σ = 2732848169344. Its totient is φ = 1294507027440.

The previous prime is 1995698334079. The next prime is 1995698334083. The reversal of 1995698334081 is 1804338965991.

It is an interprime number because it is at equal distance from previous prime (1995698334079) and next prime (1995698334083).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1995698334081 - 21 = 1995698334079 is a prime.

It is a super-2 number, since 2×19956983340812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995698334083) 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 7 ways as a sum of consecutive naturals, for example, 8989632025 + ... + 8989632246.

It is an arithmetic number, because the mean of its divisors is an integer number (341606021168).

Almost surely, 21995698334081 is an apocalyptic number.

It is an amenable number.

1995698334081 is a deficient number, since it is larger than the sum of its proper divisors (737149835263).

1995698334081 is a wasteful number, since it uses less digits than its factorization.

1995698334081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17979264311.

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 1995698334081 in words is "one trillion, nine hundred ninety-five billion, six hundred ninety-eight million, three hundred thirty-four thousand, eighty-one".

Divisors: 1 3 37 111 17979264271 53937792813 665232778027 1995698334081