Search a number
-
+
213113151 = 32172113759
BaseRepresentation
bin11001011001111…
…01100100111111
3112212000021021200
430230331210333
5414024110101
633051430543
75165301066
oct1454754477
9485007250
10213113151
11aa32a079
125b455453
13351c8b74
14204371dd
1513a99986
hexcb3d93f

213113151 has 12 divisors (see below), whose sum is σ = 308031360. Its totient is φ = 141982560.

The previous prime is 213113143. The next prime is 213113179. The reversal of 213113151 is 151311312.

It is not a de Polignac number, because 213113151 - 23 = 213113143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8610 + ... + 22368.

It is an arithmetic number, because the mean of its divisors is an integer number (25669280).

Almost surely, 2213113151 is an apocalyptic number.

213113151 is a deficient number, since it is larger than the sum of its proper divisors (94918209).

213113151 is a wasteful number, since it uses less digits than its factorization.

213113151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15486 (or 15483 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 213113151 is about 14598.3954940260. The cubic root of 213113151 is about 597.3149941625.

Adding to 213113151 its reverse (151311312), we get a palindrome (364424463).

The spelling of 213113151 in words is "two hundred thirteen million, one hundred thirteen thousand, one hundred fifty-one".

Divisors: 1 3 9 1721 5163 13759 15489 41277 123831 23679239 71037717 213113151