Search a number
-
+
342790353161 = 418360740321
BaseRepresentation
bin1001111110011111110…
…01011011000100001001
31012202210122112012011222
410333033321123010021
521104013312300121
6421250430531425
733523443632504
oct4771771330411
91182718465158
10342790353161
11122416243a33
1256527966b75
132642c0114c9
141283c14213b
158db41270ab
hex4fcfe5b109

342790353161 has 4 divisors (see below), whose sum is σ = 351151093524. Its totient is φ = 334429612800.

The previous prime is 342790353133. The next prime is 342790353167. The reversal of 342790353161 is 161353097243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161353097243 = 1312411776711.

It can be written as a sum of positive squares in 2 ways, for example, as 103259395600 + 239530957561 = 321340^2 + 489419^2 .

It is a cyclic number.

It is not a de Polignac number, because 342790353161 - 222 = 342786158857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342790353167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4180370120 + ... + 4180370201.

It is an arithmetic number, because the mean of its divisors is an integer number (87787773381).

Almost surely, 2342790353161 is an apocalyptic number.

It is an amenable number.

342790353161 is a deficient number, since it is larger than the sum of its proper divisors (8360740363).

342790353161 is an equidigital number, since it uses as much as digits as its factorization.

342790353161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360740362.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 342790353161 in words is "three hundred forty-two billion, seven hundred ninety million, three hundred fifty-three thousand, one hundred sixty-one".

Divisors: 1 41 8360740321 342790353161