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109000195 = 521800039
BaseRepresentation
bin1100111111100…
…11011000000011
321121002210011021
412133303120003
5210401001240
614452130311
72462325553
oct637633003
9247083137
10109000195
1156589507
1230606997
1319775275
1410695163
15988154a
hex67f3603

109000195 has 4 divisors (see below), whose sum is σ = 130800240. Its totient is φ = 87200152.

The previous prime is 109000189. The next prime is 109000231. The reversal of 109000195 is 591000901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109000195 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10900015 + ... + 10900024.

It is an arithmetic number, because the mean of its divisors is an integer number (32700060).

Almost surely, 2109000195 is an apocalyptic number.

109000195 is a deficient number, since it is larger than the sum of its proper divisors (21800045).

109000195 is an equidigital number, since it uses as much as digits as its factorization.

109000195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21800044.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 109000195 is about 10440.3158477127. The cubic root of 109000195 is about 477.6859029617.

The spelling of 109000195 in words is "one hundred nine million, one hundred ninety-five", and thus it is an aban number.

Divisors: 1 5 21800039 109000195