Search a number
-
+
144134007681 = 3431117317889
BaseRepresentation
bin1000011000111100001…
…1100110101110000001
3111210000221120020011210
42012033003212232001
54330141301221211
6150114140000333
713261526564556
oct2061703465601
9453027506153
10144134007681
1156143987314
1223b262300a9
13107901a33a1
146d946a6a2d
153b38b179a6
hex218f0e6b81

144134007681 has 8 divisors (see below), whose sum is σ = 196647948640. Its totient is φ = 93854702592.

The previous prime is 144134007671. The next prime is 144134007709. The reversal of 144134007681 is 186700431441.

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

It is not a de Polignac number, because 144134007681 - 25 = 144134007649 is a prime.

It is a super-2 number, since 2×1441340076812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144134007671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558658816 + ... + 558659073.

It is an arithmetic number, because the mean of its divisors is an integer number (24580993580).

Almost surely, 2144134007681 is an apocalyptic number.

It is an amenable number.

144134007681 is a deficient number, since it is larger than the sum of its proper divisors (52513940959).

144134007681 is a wasteful number, since it uses less digits than its factorization.

144134007681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117317935.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 144134007681 in words is "one hundred forty-four billion, one hundred thirty-four million, seven thousand, six hundred eighty-one".

Divisors: 1 3 43 129 1117317889 3351953667 48044669227 144134007681