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13455230164 = 2271181126161
BaseRepresentation
bin11001000011111111…
…01000010011010100
31021201201101111211221
430201333220103110
5210024014331124
610103052140124
7654301366165
oct144177502324
937651344757
1013455230164
115785143632
122736167644
1313657b016c
14918dc976c
1553b3c4ce4
hex321fe84d4

13455230164 has 24 divisors (see below), whose sum is σ = 23892394176. Its totient is φ = 6628944000.

The previous prime is 13455230143. The next prime is 13455230179. The reversal of 13455230164 is 46103255431.

13455230164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 501244 + ... + 527404.

It is an arithmetic number, because the mean of its divisors is an integer number (995516424).

Almost surely, 213455230164 is an apocalyptic number.

It is an amenable number.

13455230164 is a deficient number, since it is larger than the sum of its proper divisors (10437164012).

13455230164 is a wasteful number, since it uses less digits than its factorization.

13455230164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047 (or 28045 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 13455230164 its reverse (46103255431), we get a palindrome (59558485595).

The spelling of 13455230164 in words is "thirteen billion, four hundred fifty-five million, two hundred thirty thousand, one hundred sixty-four".

Divisors: 1 2 4 71 142 284 1811 3622 7244 26161 52322 104644 128581 257162 514324 1857431 3714862 7429724 47377571 94755142 189510284 3363807541 6727615082 13455230164