Search a number
-
+
2185064375 = 54132137151
BaseRepresentation
bin1000001000111101…
…0110111110110111
312122021120202211012
42002033112332313
513433334030000
61000453302435
7105101512034
oct20217267667
95567522735
102185064375
11a2145922a
1250b934a1b
1328a902400
1416a2b038b
15cbc6b735
hex823d6fb7

2185064375 has 60 divisors (see below), whose sum is σ = 2997952848. Its totient is φ = 1591200000.

The previous prime is 2185064369. The next prime is 2185064437. The reversal of 2185064375 is 5734605812.

It is not a de Polignac number, because 2185064375 - 26 = 2185064311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14470550 + ... + 14470700.

Almost surely, 22185064375 is an apocalyptic number.

2185064375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2185064375 is a deficient number, since it is larger than the sum of its proper divisors (812888473).

2185064375 is a wasteful number, since it uses less digits than its factorization.

2185064375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2185064375 is about 46744.6721563003. The cubic root of 2185064375 is about 1297.6415572653.

The spelling of 2185064375 in words is "two billion, one hundred eighty-five million, sixty-four thousand, three hundred seventy-five".

Divisors: 1 5 13 25 65 125 137 151 169 325 625 685 755 845 1625 1781 1963 3425 3775 4225 8125 8905 9815 17125 18875 20687 21125 23153 25519 44525 49075 85625 94375 103435 105625 115765 127595 222625 245375 268931 517175 578825 637975 1113125 1226875 1344655 2585875 2894125 3189875 3496103 6723275 12929375 14470625 15949375 17480515 33616375 87402575 168081875 437012875 2185064375