Search a number
-
+
161048704050 = 2325213229239503
BaseRepresentation
bin1001010111111101000…
…0000011010000110010
3120101200202112211111200
42111333100003100302
510114311432012200
6201552412352030
714430636253263
oct2257720032062
9511622484450
10161048704050
1162333882023
1227266a75616
13122575ca370
147b1acdc96a
1542c8a8e800
hex257f403432

161048704050 has 288 divisors, whose sum is σ = 470894860800. Its totient is φ = 39226360320.

The previous prime is 161048704007. The next prime is 161048704051. The reversal of 161048704050 is 50407840161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 161048703996 and 161048704014.

It is not an unprimeable number, because it can be changed into a prime (161048704051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 320176099 + ... + 320176601.

It is an arithmetic number, because the mean of its divisors is an integer number (1635051600).

Almost surely, 2161048704050 is an apocalyptic number.

161048704050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161048704050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235447430400).

161048704050 is an abundant number, since it is smaller than the sum of its proper divisors (309846156750).

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

161048704050 is a wasteful number, since it uses less digits than its factorization.

161048704050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 161048704050 in words is "one hundred sixty-one billion, forty-eight million, seven hundred four thousand, fifty".