Search a number
-
+
8055972431 = 131932615273
BaseRepresentation
bin1111000000010110…
…00110001001001111
3202210102201210122022
413200023012021033
5112444312104211
63411215240355
7403430431043
oct74013061117
922712653568
108055972431
113464428361
121689b190bb
139b500cac0
14565cb8023
153223a4bdb
hex1e02c624f

8055972431 has 8 divisors (see below), whose sum is σ = 9132276720. Its totient is φ = 7044898752.

The previous prime is 8055972413. The next prime is 8055972439. The reversal of 8055972431 is 1342795508.

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

It is a cyclic number.

It is not a de Polignac number, because 8055972431 - 214 = 8055956047 is a prime.

It is a super-2 number, since 2×80559724312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8055972439) 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, 16307390 + ... + 16307883.

It is an arithmetic number, because the mean of its divisors is an integer number (1141534590).

Almost surely, 28055972431 is an apocalyptic number.

8055972431 is a deficient number, since it is larger than the sum of its proper divisors (1076304289).

8055972431 is a wasteful number, since it uses less digits than its factorization.

8055972431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32615305.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 8055972431 is about 89755.0691103294. The cubic root of 8055972431 is about 2004.6535331667.

The spelling of 8055972431 in words is "eight billion, fifty-five million, nine hundred seventy-two thousand, four hundred thirty-one".

Divisors: 1 13 19 247 32615273 423998549 619690187 8055972431