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16136664672 = 253168090257
BaseRepresentation
bin11110000011101000…
…11111011001100000
31112122120222111111010
433001310133121200
5231021441232142
611225120420520
71110611246412
oct170164373140
945576874433
1016136664672
1169307aa007
123164177740
1316a21963bb
14ad11889b2
156469dde9c
hex3c1d1f660

16136664672 has 24 divisors (see below), whose sum is σ = 42358745016. Its totient is φ = 5378888192.

The previous prime is 16136664631. The next prime is 16136664697. The reversal of 16136664672 is 27646663161.

16136664672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×161366646723 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 3 ways as a sum of consecutive naturals, for example, 84045033 + ... + 84045224.

It is an arithmetic number, because the mean of its divisors is an integer number (1764947709).

Almost surely, 216136664672 is an apocalyptic number.

16136664672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16136664672 is an abundant number, since it is smaller than the sum of its proper divisors (26222080344).

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

16136664672 is a wasteful number, since it uses less digits than its factorization.

16136664672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168090270 (or 168090262 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The spelling of 16136664672 in words is "sixteen billion, one hundred thirty-six million, six hundred sixty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 168090257 336180514 504270771 672361028 1008541542 1344722056 2017083084 2689444112 4034166168 5378888224 8068332336 16136664672