Search a number
-
+
20144301331 = 711261614303
BaseRepresentation
bin10010110000101100…
…011010010100010011
31220222220001112110111
4102300230122110103
5312223420120311
613130522142151
71312123510330
oct226054322423
956886045414
1020144301331
1185a7a29820
123aa2351957
131b9055ca3b
14d91529987
157cd771d21
hex4b0b1a513

20144301331 has 8 divisors (see below), whose sum is σ = 25114973184. Its totient is φ = 15696858120.

The previous prime is 20144301329. The next prime is 20144301337. The reversal of 20144301331 is 13310344102.

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 20144301331 - 21 = 20144301329 is a prime.

It is a super-2 number, since 2×201443013312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20144301337) 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, 130807075 + ... + 130807228.

It is an arithmetic number, because the mean of its divisors is an integer number (3139371648).

Almost surely, 220144301331 is an apocalyptic number.

20144301331 is a deficient number, since it is larger than the sum of its proper divisors (4970671853).

20144301331 is a wasteful number, since it uses less digits than its factorization.

20144301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261614321.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20144301331 its reverse (13310344102), we get a palindrome (33454645433).

The spelling of 20144301331 in words is "twenty billion, one hundred forty-four million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 7 11 77 261614303 1831300121 2877757333 20144301331