Search a number
-
+
44479231801 = 2109012
BaseRepresentation
bin101001011011001010…
…110011011100111001
311020210211112002101121
4221123022303130321
51212043140404201
632233344145241
73133144142434
oct513312633471
9136724462347
1044479231801
1117955404204
128754008221
13426b067094
14221d42c81b
151254d719a1
hexa5b2b3739

44479231801 has 3 divisors (see below), whose sum is σ = 44479442703. Its totient is φ = 44479020900.

The previous prime is 44479231729. The next prime is 44479231843. The reversal of 44479231801 is 10813297444.

The square root of 44479231801 is 210901.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 22604821801 + 21874410000 = 150349^2 + 147900^2 .

It is a de Polignac number, because none of the positive numbers 2k-44479231801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44479231301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 105451 + ... + 316351.

It is an arithmetic number, because the mean of its divisors is an integer number (14826480901).

Almost surely, 244479231801 is an apocalyptic number.

44479231801 is the 210901-st square number.

44479231801 is the 105451-st centered octagonal number.

It is an amenable number.

44479231801 is a deficient number, since it is larger than the sum of its proper divisors (210902).

44479231801 is an frugal number, since it uses more digits than its factorization.

44479231801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421802 (or 210901 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 44479231801 in words is "forty-four billion, four hundred seventy-nine million, two hundred thirty-one thousand, eight hundred one".

Divisors: 1 210901 44479231801