Search a number
-
+
2173253331 = 313716731663
BaseRepresentation
bin1000000110001001…
…0011011011010011
312121110100201010010
42001202103123103
513422323101311
6555352210003
7104566230354
oct20142233323
95543321103
102173253331
11a15821437
12507999903
13288328422
141688b7d2b
15cabd6da6
hex818936d3

2173253331 has 16 divisors (see below), whose sum is σ = 2936392704. Its totient is φ = 1429602624.

The previous prime is 2173253321. The next prime is 2173253333. The reversal of 2173253331 is 1333523712.

It is not a de Polignac number, because 2173253331 - 26 = 2173253267 is a prime.

It is a super-2 number, since 2×21732533312 = 9446060081405191122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2173253333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52806 + ... + 84468.

It is an arithmetic number, because the mean of its divisors is an integer number (183524544).

Almost surely, 22173253331 is an apocalyptic number.

2173253331 is a deficient number, since it is larger than the sum of its proper divisors (763139373).

2173253331 is a wasteful number, since it uses less digits than its factorization.

2173253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31970.

The product of its digits is 11340, while the sum is 30.

The square root of 2173253331 is about 46618.1652470365. The cubic root of 2173253331 is about 1295.2992616970.

The spelling of 2173253331 in words is "two billion, one hundred seventy-three million, two hundred fifty-three thousand, three hundred thirty-one".

Divisors: 1 3 137 167 411 501 22879 31663 68637 94989 4337831 5287721 13013493 15863163 724417777 2173253331