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195565130 = 2595320521
BaseRepresentation
bin10111010100000…
…01011001001010
3111121222201220222
423222001121022
5400031041010
631223350042
74563163505
oct1352013112
9447881828
10195565130
11a0433a82
12555b2322
1331693817
141bd8a13c
1512280355
hexba8164a

195565130 has 16 divisors (see below), whose sum is σ = 352403784. Its totient is φ = 78140160.

The previous prime is 195565109. The next prime is 195565147. The reversal of 195565130 is 31565591.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 161213809 + 34351321 = 12697^2 + 5861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 19790.

Almost surely, 2195565130 is an apocalyptic number.

195565130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195565130 is a deficient number, since it is larger than the sum of its proper divisors (156838654).

195565130 is a wasteful number, since it uses less digits than its factorization.

195565130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21481.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 195565130 is about 13984.4603042091. The cubic root of 195565130 is about 580.4486520684.

The spelling of 195565130 in words is "one hundred ninety-five million, five hundred sixty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 953 1906 4765 9530 20521 41042 102605 205210 19556513 39113026 97782565 195565130