Search a number
-
+
345830446081 = 379346768813
BaseRepresentation
bin1010000100001010001…
…10011101010000000001
31020001122111222220200001
411002011012131100001
521131230043233311
6422512230400001
733662000201251
oct5020506352001
91201574886601
10345830446081
111237362a881a
1257035b00001
13267c4ac2963
1412a49bc3961
158ee0e8a4c1
hex508519d401

345830446081 has 4 divisors (see below), whose sum is σ = 355177214932. Its totient is φ = 336483677232.

The previous prime is 345830446051. The next prime is 345830446109. The reversal of 345830446081 is 180644038543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264010992400 + 81819453681 = 513820^2 + 286041^2 .

It is a cyclic number.

It is not a de Polignac number, because 345830446081 - 217 = 345830315009 is a prime.

It is a super-2 number, since 2×3458304460812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345830446051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4673384370 + ... + 4673384443.

It is an arithmetic number, because the mean of its divisors is an integer number (88794303733).

Almost surely, 2345830446081 is an apocalyptic number.

It is an amenable number.

345830446081 is a deficient number, since it is larger than the sum of its proper divisors (9346768851).

345830446081 is an equidigital number, since it uses as much as digits as its factorization.

345830446081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9346768850.

The product of its (nonzero) digits is 1105920, while the sum is 46.

It can be divided in two parts, 345830 and 446081, that added together give a triangular number (791911 = T1258).

The spelling of 345830446081 in words is "three hundred forty-five billion, eight hundred thirty million, four hundred forty-six thousand, eighty-one".

Divisors: 1 37 9346768813 345830446081