Search a number
-
+
2173155413 = 111315196891
BaseRepresentation
bin1000000110000111…
…1011100001010101
312121110011201210112
42001201323201111
513422311433123
6555350132405
7104565342032
oct20141734125
95543151715
102173155413
11a15764910
12507951105
132882c29a0
14168890389
15cabb7d78
hex8187b855

2173155413 has 8 divisors (see below), whose sum is σ = 2553077856. Its totient is φ = 1823626800.

The previous prime is 2173155409. The next prime is 2173155451. The reversal of 2173155413 is 3145513712.

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 2173155413 - 22 = 2173155409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2173155413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173155473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7598303 + ... + 7598588.

It is an arithmetic number, because the mean of its divisors is an integer number (319134732).

Almost surely, 22173155413 is an apocalyptic number.

It is an amenable number.

2173155413 is a deficient number, since it is larger than the sum of its proper divisors (379922443).

2173155413 is a wasteful number, since it uses less digits than its factorization.

2173155413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15196915.

The product of its digits is 12600, while the sum is 32.

The square root of 2173155413 is about 46617.1150222748. The cubic root of 2173155413 is about 1295.2798077572.

The spelling of 2173155413 in words is "two billion, one hundred seventy-three million, one hundred fifty-five thousand, four hundred thirteen".

Divisors: 1 11 13 143 15196891 167165801 197559583 2173155413