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800346863881 = 5771387082953
BaseRepresentation
bin10111010010110000110…
…00111111100100001001
32211111211112211020210001
423221120120333210021
5101103102244121011
61411401350523001
7111552225044665
oct13513030774411
92744745736701
10800346863881
11289474a37764
1210b142666461
135a61aaa5286
142aa464578a5
1515c439ab7c1
hexba5863f909

800346863881 has 4 divisors (see below), whose sum is σ = 801733947412. Its totient is φ = 798959780352.

The previous prime is 800346863867. The next prime is 800346863887. The reversal of 800346863881 is 188368643008.

800346863881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 626774639481 + 173572224400 = 791691^2 + 416620^2 .

It is a cyclic number.

It is not a de Polignac number, because 800346863881 - 211 = 800346861833 is a prime.

It is a super-2 number, since 2×8003468638812 (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 (800346863887) 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, 693540900 + ... + 693542053.

It is an arithmetic number, because the mean of its divisors is an integer number (200433486853).

Almost surely, 2800346863881 is an apocalyptic number.

It is an amenable number.

800346863881 is a deficient number, since it is larger than the sum of its proper divisors (1387083531).

800346863881 is a wasteful number, since it uses less digits than its factorization.

800346863881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387083530.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 800346863881 in words is "eight hundred billion, three hundred forty-six million, eight hundred sixty-three thousand, eight hundred eighty-one".

Divisors: 1 577 1387082953 800346863881