Search a number
-
+
2171117468 = 221341752259
BaseRepresentation
bin1000000101101000…
…1001111110011100
312121022100012021002
42001122021332130
513421301224333
6555234325432
7104542123352
oct20132117634
95538305232
102171117468
11a145a2763
12507129878
13287a5b1c0
141684bd7d2
15ca9140e8
hex81689f9c

2171117468 has 12 divisors (see below), whose sum is σ = 4091721480. Its totient is φ = 1002054192.

The previous prime is 2171117383. The next prime is 2171117491. The reversal of 2171117468 is 8647111712.

It is a congruent number.

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, 20876078 + ... + 20876181.

It is an arithmetic number, because the mean of its divisors is an integer number (340976790).

Almost surely, 22171117468 is an apocalyptic number.

It is an amenable number.

2171117468 is a deficient number, since it is larger than the sum of its proper divisors (1920604012).

2171117468 is a wasteful number, since it uses less digits than its factorization.

2171117468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41752276 (or 41752274 counting only the distinct ones).

The product of its digits is 18816, while the sum is 38.

The square root of 2171117468 is about 46595.2515606473. The cubic root of 2171117468 is about 1294.8747846314.

The spelling of 2171117468 in words is "two billion, one hundred seventy-one million, one hundred seventeen thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 26 52 41752259 83504518 167009036 542779367 1085558734 2171117468