Search a number
-
+
140228897441 = 1721139093643
BaseRepresentation
bin1000001010011001001…
…0110010101010100001
3111101221210102002000012
42002212102302222201
54244142044204231
6144230435534305
713063000650533
oct2024622625241
9441853362005
10140228897441
115451a614186
122321645a395
13102ba126479
146b03bb3853
1539aad87e2b
hex20a64b2aa1

140228897441 has 8 divisors (see below), whose sum is σ = 149181345504. Its totient is φ = 131354637120.

The previous prime is 140228897383. The next prime is 140228897531. The reversal of 140228897441 is 144798822041.

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

It is a de Polignac number, because none of the positive numbers 2k-140228897441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140228897441.

It is not an unprimeable number, because it can be changed into a prime (140228896441) 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, 19543235 + ... + 19550408.

It is an arithmetic number, because the mean of its divisors is an integer number (18647668188).

Almost surely, 2140228897441 is an apocalyptic number.

It is an amenable number.

140228897441 is a deficient number, since it is larger than the sum of its proper divisors (8952448063).

140228897441 is a wasteful number, since it uses less digits than its factorization.

140228897441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39093871.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 140228897441 in words is "one hundred forty billion, two hundred twenty-eight million, eight hundred ninety-seven thousand, four hundred forty-one".

Divisors: 1 17 211 3587 39093643 664591931 8248758673 140228897441