Search a number
-
+
144739292613 = 3257214187683
BaseRepresentation
bin1000011011001100100…
…0100101010111000101
3111211121010111220000020
42012303020211113011
54332411224330423
6150254201205353
713312526454636
oct2066310452705
9454533456006
10144739292613
11564246148a3
1224074a90859
13108586cc656
147010c2788d
153b71d2b4e3
hex21b32255c5

144739292613 has 16 divisors (see below), whose sum is σ = 193829340096. Its totient is φ = 96071413760.

The previous prime is 144739292587. The next prime is 144739292641. The reversal of 144739292613 is 316292937441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144739292613 is a prime.

It is a super-2 number, since 2×1447392926132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144739292413) 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 15 ways as a sum of consecutive naturals, for example, 1606870 + ... + 1694552.

It is an arithmetic number, because the mean of its divisors is an integer number (12114333756).

Almost surely, 2144739292613 is an apocalyptic number.

It is an amenable number.

144739292613 is a deficient number, since it is larger than the sum of its proper divisors (49090047483).

144739292613 is a wasteful number, since it uses less digits than its factorization.

144739292613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90084.

The product of its digits is 1959552, while the sum is 51.

The spelling of 144739292613 in words is "one hundred forty-four billion, seven hundred thirty-nine million, two hundred ninety-two thousand, six hundred thirteen".

Divisors: 1 3 257 771 2141 6423 87683 263049 550237 1650711 22534531 67603593 187729303 563187909 48246430871 144739292613