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13551423168 = 263431641403
BaseRepresentation
bin11001001111011101…
…00100111011000000
31021222102101121211210
430213232210323000
5210223131020133
610120410010120
7656550124233
oct144756447300
937872347753
1013551423168
115824474888
122762416940
13137c6bcbba
14927aa941a
15544a76763
hex327ba4ec0

13551423168 has 56 divisors (see below), whose sum is σ = 36688662208. Its totient is φ = 4412088576.

The previous prime is 13551423157. The next prime is 13551423169. The reversal of 13551423168 is 86132415531.

13551423168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13551423169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812446 + ... + 828957.

Almost surely, 213551423168 is an apocalyptic number.

It is an amenable number.

13551423168 is an abundant number, since it is smaller than the sum of its proper divisors (23137239040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13551423168 is a wasteful number, since it uses less digits than its factorization.

13551423168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641461 (or 1641451 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

Adding to 13551423168 its reverse (86132415531), we get a palindrome (99683838699).

The spelling of 13551423168 in words is "thirteen billion, five hundred fifty-one million, four hundred twenty-three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 129 172 192 258 344 516 688 1032 1376 2064 2752 4128 8256 1641403 3282806 4924209 6565612 9848418 13131224 19696836 26262448 39393672 52524896 70580329 78787344 105049792 141160658 157574688 211740987 282321316 315149376 423481974 564642632 846963948 1129285264 1693927896 2258570528 3387855792 4517141056 6775711584 13551423168