Search a number
-
+
56787601449 = 364329438881
BaseRepresentation
bin110100111000110011…
…100000100000101001
312102120121220001101010
4310320303200200221
51412300111221244
642030551214133
74050151435155
oct647063404051
9172517801333
1056787601449
11220a1136527
12b00a077349
13548006a147
142a69d9c065
151725705eb9
hexd38ce0829

56787601449 has 8 divisors (see below), whose sum is σ = 75834560032. Its totient is φ = 37799521920.

The previous prime is 56787601361. The next prime is 56787601463. The reversal of 56787601449 is 94410678765.

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

It is not a de Polignac number, because 56787601449 - 229 = 56250730537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56787601469) 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, 14717512 + ... + 14721369.

It is an arithmetic number, because the mean of its divisors is an integer number (9479320004).

Almost surely, 256787601449 is an apocalyptic number.

It is an amenable number.

56787601449 is a deficient number, since it is larger than the sum of its proper divisors (19046958583).

56787601449 is a wasteful number, since it uses less digits than its factorization.

56787601449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29439527.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 56787601449 in words is "fifty-six billion, seven hundred eighty-seven million, six hundred one thousand, four hundred forty-nine".

Divisors: 1 3 643 1929 29438881 88316643 18929200483 56787601449