Search a number
-
+
144617157407 = 3111709272093
BaseRepresentation
bin1000011010101111011…
…0101011001100011111
3111211021121200210000002
42012223312223030133
54332133443014112
6150234115324515
713306514361422
oct2065366531437
9454247623002
10144617157407
1156371684908
122403bbb073b
13108393088b8
146ddc9139b9
153b662531c2
hex21abdab31f

144617157407 has 8 divisors (see below), whose sum is σ = 145167590880. Its totient is φ = 144067272160.

The previous prime is 144617157397. The next prime is 144617157413. The reversal of 144617157407 is 704751716441.

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 144617157407 - 28 = 144617157151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144617157427) 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, 395453 + ... + 667545.

It is an arithmetic number, because the mean of its divisors is an integer number (18145948860).

Almost surely, 2144617157407 is an apocalyptic number.

144617157407 is a deficient number, since it is larger than the sum of its proper divisors (550433473).

144617157407 is a wasteful number, since it uses less digits than its factorization.

144617157407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274113.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 144617157407 in words is "one hundred forty-four billion, six hundred seventeen million, one hundred fifty-seven thousand, four hundred seven".

Divisors: 1 311 1709 272093 531499 84620923 465006937 144617157407