Search a number
-
+
18435245348 = 2213243634211
BaseRepresentation
bin10001001010110100…
…111000010100100100
31202120210011111101202
4101022310320110210
5300223410322343
612245151142032
71221561666662
oct211264702444
952523144352
1018435245348
117900240763
1236a5b14918
13197a462500
14c6c567c32
1572d6cedb8
hex44ad38524

18435245348 has 36 divisors (see below), whose sum is σ = 35746725168. Its totient is φ = 8310687840.

The previous prime is 18435245329. The next prime is 18435245351. The reversal of 18435245348 is 84354253481.

It is a super-2 number, since 2×184352453482 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288038 + ... + 346173.

It is an arithmetic number, because the mean of its divisors is an integer number (992964588).

Almost surely, 218435245348 is an apocalyptic number.

It is an amenable number.

18435245348 is a deficient number, since it is larger than the sum of its proper divisors (17311479820).

18435245348 is a wasteful number, since it uses less digits than its factorization.

18435245348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634284 (or 634269 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 47.

The spelling of 18435245348 in words is "eighteen billion, four hundred thirty-five million, two hundred forty-five thousand, three hundred forty-eight".

Divisors: 1 2 4 13 26 43 52 86 169 172 338 559 676 1118 2236 7267 14534 29068 634211 1268422 2536844 8244743 16489486 27271073 32978972 54542146 107181659 109084292 214363318 354523949 428726636 709047898 1418095796 4608811337 9217622674 18435245348