Search a number
-
+
44220013431 = 3111340000407
BaseRepresentation
bin101001001011101101…
…111101101101110111
311020010202202102122020
4221023231331231313
51211030310412211
632151524204223
73123545624646
oct511355755567
9136122672566
1044220013431
1117832054650
1286a1239673
134229447829
1421d6c3335d
15123c21b306
hexa4bb7db77

44220013431 has 8 divisors (see below), whose sum is σ = 64320019584. Its totient is φ = 26800008120.

The previous prime is 44220013393. The next prime is 44220013459. The reversal of 44220013431 is 13431002244.

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

It is not a de Polignac number, because 44220013431 - 219 = 44219489143 is a prime.

It is a super-2 number, since 2×442200134312 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220013231) 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, 670000171 + ... + 670000236.

It is an arithmetic number, because the mean of its divisors is an integer number (8040002448).

Almost surely, 244220013431 is an apocalyptic number.

44220013431 is a deficient number, since it is larger than the sum of its proper divisors (20100006153).

44220013431 is a wasteful number, since it uses less digits than its factorization.

44220013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340000421.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 44220013431 its reverse (13431002244), we get a palindrome (57651015675).

The spelling of 44220013431 in words is "forty-four billion, two hundred twenty million, thirteen thousand, four hundred thirty-one".

Divisors: 1 3 11 33 1340000407 4020001221 14740004477 44220013431