Search a number
-
+
211013973 = 32472232237
BaseRepresentation
bin11001001001111…
…01000101010101
3112201001121202100
430210331011111
5413004421343
632534432313
75141406042
oct1444750525
9481047670
10211013973
11a9125a15
125a802699
1334942551
142004c1c9
15137d29d3
hexc93d155

211013973 has 24 divisors (see below), whose sum is σ = 312818688. Its totient is φ = 137004192.

The previous prime is 211013969. The next prime is 211013987. The reversal of 211013973 is 379310112.

211013973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211013973 - 22 = 211013969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211013273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93211 + ... + 95447.

It is an arithmetic number, because the mean of its divisors is an integer number (13034112).

Almost surely, 2211013973 is an apocalyptic number.

It is an amenable number.

211013973 is a deficient number, since it is larger than the sum of its proper divisors (101804715).

211013973 is a wasteful number, since it uses less digits than its factorization.

211013973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 211013973 is about 14526.3200088667. The cubic root of 211013973 is about 595.3473225791.

The spelling of 211013973 in words is "two hundred eleven million, thirteen thousand, nine hundred seventy-three".

Divisors: 1 3 9 47 141 223 423 669 2007 2237 6711 10481 20133 31443 94329 105139 315417 498851 946251 1496553 4489659 23445997 70337991 211013973