Search a number
-
+
87934736875 = 54140695579
BaseRepresentation
bin101000111100101010…
…0011001100111101011
322101222022201110201111
41101321110121213223
52420042243040000
6104221402331151
76232050634156
oct1217124314753
9271868643644
1087934736875
1134324959367
12150611b9ab7
1383a4ca74ab
1443828d4c9d
152449dc6cba
hex14795199eb

87934736875 has 10 divisors (see below), whose sum is σ = 109883247980. Its totient is φ = 70347789000.

The previous prime is 87934736837. The next prime is 87934736899. The reversal of 87934736875 is 57863743978.

It is not a de Polignac number, because 87934736875 - 29 = 87934736363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87934736875.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70347165 + ... + 70348414.

It is an arithmetic number, because the mean of its divisors is an integer number (10988324798).

Almost surely, 287934736875 is an apocalyptic number.

87934736875 is a deficient number, since it is larger than the sum of its proper divisors (21948511105).

87934736875 is an equidigital number, since it uses as much as digits as its factorization.

87934736875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140695599 (or 140695584 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 67.

The spelling of 87934736875 in words is "eighty-seven billion, nine hundred thirty-four million, seven hundred thirty-six thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 625 140695579 703477895 3517389475 17586947375 87934736875