Search a number
-
+
316871233221 = 32943181146771
BaseRepresentation
bin1001001110001101111…
…11110100111011000101
31010021220022010110211210
410213012333310323011
520142423013430341
6401322454122033
731615236020244
oct4470677647305
91107808113753
10316871233221
11112425606554
12514b3650319
1323b5b24894a
141149daa295b
1583988ecc16
hex49c6ff4ec5

316871233221 has 32 divisors (see below), whose sum is σ = 447484561920. Its totient is φ = 199105502400.

The previous prime is 316871233207. The next prime is 316871233249. The reversal of 316871233221 is 122332178613.

It is not a de Polignac number, because 316871233221 - 230 = 315797491397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316871233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316871233201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6751566 + ... + 6798336.

It is an arithmetic number, because the mean of its divisors is an integer number (13983892560).

Almost surely, 2316871233221 is an apocalyptic number.

It is an amenable number.

316871233221 is a deficient number, since it is larger than the sum of its proper divisors (130613328699).

316871233221 is a wasteful number, since it uses less digits than its factorization.

316871233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48657.

The product of its digits is 72576, while the sum is 39.

The spelling of 316871233221 in words is "three hundred sixteen billion, eight hundred seventy-one million, two hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 3 29 43 87 129 1247 1811 3741 5433 46771 52519 77873 140313 157557 233619 1356359 2011153 2258317 4069077 6033459 6774951 58323437 84702281 174970311 254106843 2456366149 3642198083 7369098447 10926594249 105623744407 316871233221