Search a number
-
+
347422103257 = 13714593173777
BaseRepresentation
bin1010000111000111111…
…10001001011011011001
31020012202102222110211211
411003203332021123121
521143010024301012
6423334205223121
734046305103215
oct5034376113331
91205672873754
10347422103257
111243827a1379
12573bab61aa1
13269b9797238
1412b5b345945
159085a8c6a7
hex50e3f896d9

347422103257 has 8 divisors (see below), whose sum is σ = 349984026216. Its totient is φ = 344860557312.

The previous prime is 347422103239. The next prime is 347422103261. The reversal of 347422103257 is 752301224743.

It can be written as a sum of positive squares in 4 ways, for example, as 2096632521 + 345325470736 = 45789^2 + 587644^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-347422103257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347422103227) 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, 1912353 + ... + 2086129.

It is an arithmetic number, because the mean of its divisors is an integer number (43748003277).

Almost surely, 2347422103257 is an apocalyptic number.

It is an amenable number.

347422103257 is a deficient number, since it is larger than the sum of its proper divisors (2561922959).

347422103257 is a wasteful number, since it uses less digits than its factorization.

347422103257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188507.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 347422103257 in words is "three hundred forty-seven billion, four hundred twenty-two million, one hundred three thousand, two hundred fifty-seven".

Divisors: 1 137 14593 173777 1999241 23807449 2535927761 347422103257