Search a number
-
+
16875272857 = 601201713921
BaseRepresentation
bin11111011011101100…
…00011101010011001
31121120001210200102211
433231312003222121
5234030032212412
611430303355121
71135120311142
oct175566035231
947501720384
1016875272857
11717a7192a3
12332b5b2aa1
13178c202971
14b612d2ac9
1568b78aca7
hex3edd83a99

16875272857 has 8 divisors (see below), whose sum is σ = 16912946792. Its totient is φ = 16837632000.

The previous prime is 16875272849. The next prime is 16875272863. The reversal of 16875272857 is 75827257861.

It can be written as a sum of positive squares in 4 ways, for example, as 8983437961 + 7891834896 = 94781^2 + 88836^2 .

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 16875272857 - 23 = 16875272849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16875272867) 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, 1205257 + ... + 1219177.

It is an arithmetic number, because the mean of its divisors is an integer number (2114118349).

Almost surely, 216875272857 is an apocalyptic number.

It is an amenable number.

16875272857 is a deficient number, since it is larger than the sum of its proper divisors (37673935).

16875272857 is a wasteful number, since it uses less digits than its factorization.

16875272857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16539.

The product of its digits is 13171200, while the sum is 58.

The spelling of 16875272857 in words is "sixteen billion, eight hundred seventy-five million, two hundred seventy-two thousand, eight hundred fifty-seven".

Divisors: 1 601 2017 13921 1212217 8366521 28078657 16875272857