Search a number
-
+
197987328095 = 539799741727
BaseRepresentation
bin1011100001100011110…
…1101110000001011111
3200221001002002100200112
42320120331232001133
511220434223444340
6230542031320235
720206211343614
oct2703075560137
9627032070615
10197987328095
1176a69759a97
123245568007b
131589335905b
149822a8850b
15523b90c065
hex2e18f6e05f

197987328095 has 8 divisors (see below), whose sum is σ = 238183246464. Its totient is φ = 157990893984.

The previous prime is 197987327999. The next prime is 197987328101. The reversal of 197987328095 is 590823789791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197987328095 - 212 = 197987323999 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 49868879 + ... + 49872848.

It is an arithmetic number, because the mean of its divisors is an integer number (29772905808).

Almost surely, 2197987328095 is an apocalyptic number.

197987328095 is a deficient number, since it is larger than the sum of its proper divisors (40195918369).

197987328095 is an equidigital number, since it uses as much as digits as its factorization.

197987328095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99742129.

The product of its (nonzero) digits is 68584320, while the sum is 68.

The spelling of 197987328095 in words is "one hundred ninety-seven billion, nine hundred eighty-seven million, three hundred twenty-eight thousand, ninety-five".

Divisors: 1 5 397 1985 99741727 498708635 39597465619 197987328095