Search a number
-
+
195956128 = 256123629
BaseRepresentation
bin10111010111000…
…00110110100000
3111122201121021101
423223200312200
5400131044003
631240004144
74566412444
oct1353406640
9448647241
10195956128
11a0680815
1255760654
133179c794
141c04c824
151230b11d
hexbae0da0

195956128 has 12 divisors (see below), whose sum is σ = 385788690. Its totient is φ = 97978048.

The previous prime is 195956087. The next prime is 195956141. The reversal of 195956128 is 821659591.

It can be written as a sum of positive squares in only one way, i.e., 143712144 + 52243984 = 11988^2 + 7228^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3061783 + ... + 3061846.

Almost surely, 2195956128 is an apocalyptic number.

It is an amenable number.

195956128 is a deficient number, since it is larger than the sum of its proper divisors (189832562).

195956128 is an equidigital number, since it uses as much as digits as its factorization.

195956128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123639 (or 6123631 counting only the distinct ones).

The product of its digits is 194400, while the sum is 46.

The square root of 195956128 is about 13998.4330551673. The cubic root of 195956128 is about 580.8352294679.

The spelling of 195956128 in words is "one hundred ninety-five million, nine hundred fifty-six thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 6123629 12247258 24494516 48989032 97978064 195956128