Search a number
-
+
2745057065751 = 3371121376912007
BaseRepresentation
bin100111111100100010001…
…001101011101100010111
3100201102110202011100021000
4213330202021223230113
5324433334102101001
65501021203354343
7402216034033230
oct47744211535427
910642422140230
102745057065751
11969199171900
123840160829b3
1316bb1c6a2960
1496c0bc3a087
154b6129e6a86
hex27f2226bb17

2745057065751 has 192 divisors, whose sum is σ = 5509231974400. Its totient is φ = 1314489876480.

The previous prime is 2745057065747. The next prime is 2745057065827. The reversal of 2745057065751 is 1575607505472.

2745057065751 is a `hidden beast` number, since 2 + 7 + 4 + 5 + 0 + 570 + 65 + 7 + 5 + 1 = 666.

It is not a de Polignac number, because 2745057065751 - 22 = 2745057065747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745057065951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 228615390 + ... + 228627396.

Almost surely, 22745057065751 is an apocalyptic number.

2745057065751 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2745057065751 is an abundant number, since it is smaller than the sum of its proper divisors (2764174908649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2745057065751 is a wasteful number, since it uses less digits than its factorization.

2745057065751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827 (or 12810 counting only the distinct ones).

The product of its (nonzero) digits is 10290000, while the sum is 54.

The spelling of 2745057065751 in words is "two trillion, seven hundred forty-five billion, fifty-seven million, sixty-five thousand, seven hundred fifty-one".