Search a number
-
+
302120201313 = 3271971250069
BaseRepresentation
bin1000110010101111100…
…01000110110001100001
31001212211021110102011200
410121113301012301201
514422220232420223
6350443032231413
730553551224310
oct4312761066141
91055737412150
10302120201313
11107145a82997
124a67753b569
132264a1706b8
14108a096a277
157cd38b6a43
hex4657c46c61

302120201313 has 72 divisors (see below), whose sum is σ = 532496452800. Its totient is φ = 161246998080.

The previous prime is 302120201309. The next prime is 302120201381. The reversal of 302120201313 is 313102021203.

302120201313 is a `hidden beast` number, since 30 + 2 + 120 + 201 + 313 = 666.

It is not a de Polignac number, because 302120201313 - 22 = 302120201309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (302120201303) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6009043 + ... + 6059111.

Almost surely, 2302120201313 is an apocalyptic number.

It is an amenable number.

302120201313 is a deficient number, since it is larger than the sum of its proper divisors (230376251487).

302120201313 is a wasteful number, since it uses less digits than its factorization.

302120201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50243 (or 50169 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 302120201313 its reverse (313102021203), we get a palindrome (615222222516).

The spelling of 302120201313 in words is "three hundred two billion, one hundred twenty million, two hundred one thousand, three hundred thirteen".

Divisors: 1 3 7 9 19 21 57 63 71 133 171 213 399 497 639 1197 1349 1491 4047 4473 5041 9443 12141 15123 28329 35287 45369 50069 84987 95779 105861 150207 287337 317583 350483 450621 670453 862011 951311 1051449 2011359 2853933 3154347 3554899 6034077 6659177 8561799 10664697 19977531 24884293 31994091 59932593 67543081 74652879 202629243 223958637 252397829 472801567 607887729 757193487 1418404701 1766784803 2271580461 4255214103 4795558751 5300354409 14386676253 15901063227 33568911257 43160028759 100706733771 302120201313