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1995751113 = 35631181617
BaseRepresentation
bin111011011110100…
…1011111011001001
312011002100122211220
41312331023323021
513041403013423
6530011512253
7100312414236
oct16675137311
95132318756
101995751113
11934605394
12478458689
1325a61a425
1414d0b078d
15ba3239e3
hex76f4bec9

1995751113 has 8 divisors (see below), whose sum is σ = 2665730208. Its totient is φ = 1328136384.

The previous prime is 1995751111. The next prime is 1995751123. The reversal of 1995751113 is 3111575991.

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

It is not a de Polignac number, because 1995751113 - 21 = 1995751111 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1995751111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589120 + ... + 592497.

It is an arithmetic number, because the mean of its divisors is an integer number (333216276).

Almost surely, 21995751113 is an apocalyptic number.

It is an amenable number.

1995751113 is a deficient number, since it is larger than the sum of its proper divisors (669979095).

1995751113 is a wasteful number, since it uses less digits than its factorization.

1995751113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182183.

The product of its digits is 42525, while the sum is 42.

The square root of 1995751113 is about 44673.8302924654. The cubic root of 1995751113 is about 1259.0282069696.

The spelling of 1995751113 in words is "one billion, nine hundred ninety-five million, seven hundred fifty-one thousand, one hundred thirteen".

Divisors: 1 3 563 1689 1181617 3544851 665250371 1995751113