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6464160153 = 331171930271
BaseRepresentation
bin1100000010100101…
…10100000110011001
3121200111110100201000
412001102310012121
5101214311111103
62545233215213
7316121311653
oct60122640631
917614410630
106464160153
112817939220
121304a01509
137c02b2a49
144547156d3
1527c771aa3
hex1814b4199

6464160153 has 32 divisors (see below), whose sum is σ = 10462003200. Its totient is φ = 3912094800.

The previous prime is 6464160149. The next prime is 6464160169. The reversal of 6464160153 is 3510614646.

It is a happy number.

6464160153 is a `hidden beast` number, since 6 + 4 + 6 + 41 + 601 + 5 + 3 = 666.

It is not a de Polignac number, because 6464160153 - 22 = 6464160149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6464160133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198408 + ... + 228678.

It is an arithmetic number, because the mean of its divisors is an integer number (326937600).

Almost surely, 26464160153 is an apocalyptic number.

It is an amenable number.

6464160153 is a deficient number, since it is larger than the sum of its proper divisors (3997843047).

6464160153 is a wasteful number, since it uses less digits than its factorization.

6464160153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31010 (or 31004 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6464160153 is about 80400.0009514925. Note that the first 3 decimals coincide. The cubic root of 6464160153 is about 1862.8191873601.

Adding to 6464160153 its reverse (3510614646), we get a palindrome (9974774799).

The spelling of 6464160153 in words is "six billion, four hundred sixty-four million, one hundred sixty thousand, one hundred fifty-three".

Divisors: 1 3 9 11 27 33 99 297 719 2157 6471 7909 19413 23727 30271 71181 90813 213543 272439 332981 817317 998943 2996829 8990487 21764849 65294547 195883641 239413339 587650923 718240017 2154720051 6464160153