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2188960195 = 52231963193
BaseRepresentation
bin1000001001111000…
…1110000111000011
312122112220200212211
42002132032013003
513440333211240
61001113002551
7105146566102
oct20236160703
95575820784
102188960195
11a2367a214
125110b3457
1328b667726
1416aa06039
15cc28abea
hex8278e1c3

2188960195 has 8 divisors (see below), whose sum is σ = 2638532736. Its totient is φ = 1743314496.

The previous prime is 2188960157. The next prime is 2188960201. The reversal of 2188960195 is 5910698812.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2188960195 is a prime.

It is a Duffinian 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, 980482 + ... + 982711.

It is an arithmetic number, because the mean of its divisors is an integer number (329816592).

Almost surely, 22188960195 is an apocalyptic number.

2188960195 is a deficient number, since it is larger than the sum of its proper divisors (449572541).

2188960195 is a wasteful number, since it uses less digits than its factorization.

2188960195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963421.

The product of its (nonzero) digits is 311040, while the sum is 49.

The square root of 2188960195 is about 46786.3248716973. The cubic root of 2188960195 is about 1298.4123013675.

The spelling of 2188960195 in words is "two billion, one hundred eighty-eight million, nine hundred sixty thousand, one hundred ninety-five".

Divisors: 1 5 223 1115 1963193 9815965 437792039 2188960195