Search a number
-
+
2313241987251 = 3136110718150207
BaseRepresentation
bin100001101010010111111…
…101111000100010110011
322012010212210220112021110
4201222113331320202303
5300400004422043001
64530404431524403
7326061202315266
oct41522775704263
98163783815243
102313241987251
118120498830a8
123143a4089703
1313a1a39301a0
147dd6654ccdd
154028ce8d3d6
hex21a97f788b3

2313241987251 has 64 divisors (see below), whose sum is σ = 3426476691456. Its totient is φ = 1379419891200.

The previous prime is 2313241987247. The next prime is 2313241987279. The reversal of 2313241987251 is 1527891423132.

It is not a de Polignac number, because 2313241987251 - 22 = 2313241987247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313241987251.

It is not an unprimeable number, because it can be changed into a prime (2313241987211) 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 63 ways as a sum of consecutive naturals, for example, 46048990 + ... + 46099196.

It is an arithmetic number, because the mean of its divisors is an integer number (53538698304).

Almost surely, 22313241987251 is an apocalyptic number.

2313241987251 is a deficient number, since it is larger than the sum of its proper divisors (1113234704205).

2313241987251 is a wasteful number, since it uses less digits than its factorization.

2313241987251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50572.

The product of its digits is 725760, while the sum is 48.

The spelling of 2313241987251 in words is "two trillion, three hundred thirteen billion, two hundred forty-one million, nine hundred eighty-seven thousand, two hundred fifty-one".

Divisors: 1 3 13 39 61 107 181 183 321 543 793 1391 2353 2379 4173 6527 7059 11041 19367 19581 33123 50207 58101 84851 143533 150621 251771 254553 430599 652691 755313 1181387 1958073 3062627 3544161 5372149 9087467 9187881 15358031 16116447 27262401 39814151 46074093 69837937 118137071 119442453 209513811 327701089 354411213 554335487 972358969 983103267 1663006461 2917076907 4260114157 7206361331 12640666597 12780342471 21619083993 37921999791 59313897109 177941691327 771080662417 2313241987251