Search a number
-
+
11952795851 = 21997543383
BaseRepresentation
bin10110010000111000…
…10011000011001011
31010212000021221102122
423020130103003023
5143434403431401
65254021521455
7602126042213
oct131034230313
933760257378
1011952795851
115084050487
122396b7328b
131186447b89
14815651243
1549e54921b
hex2c87130cb

11952795851 has 4 divisors (see below), whose sum is σ = 11953361232. Its totient is φ = 11952230472.

The previous prime is 11952795839. The next prime is 11952795889. The reversal of 11952795851 is 15859725911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11952795851 - 26 = 11952795787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11952795793 and 11952795802.

It is not an unprimeable number, because it can be changed into a prime (11952794851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249695 + ... + 293688.

It is an arithmetic number, because the mean of its divisors is an integer number (2988340308).

Almost surely, 211952795851 is an apocalyptic number.

11952795851 is a deficient number, since it is larger than the sum of its proper divisors (565381).

11952795851 is an equidigital number, since it uses as much as digits as its factorization.

11952795851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565380.

The product of its digits is 1134000, while the sum is 53.

The spelling of 11952795851 in words is "eleven billion, nine hundred fifty-two million, seven hundred ninety-five thousand, eight hundred fifty-one".

Divisors: 1 21997 543383 11952795851