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45312860178432 = 211327112310313477
BaseRepresentation
bin10100100110110001110001…
…11011110100100000000000
312221102212102010122220210200
422103120320323310200000
521414401214201202212
6240212235100125200
712354513626331030
oct1223307073644000
9187385363586720
1045312860178432
11134900922a3270
1250b9b29236800
131c38ca48b5262
14b29222d338c0
15538a58b306dc
hex293638ef4800

45312860178432 has 1152 divisors, whose sum is σ = 171924798689280. Its totient is φ = 11147726684160.

The previous prime is 45312860178413. The next prime is 45312860178479. The reversal of 45312860178432 is 23487106821354.

45312860178432 is a `hidden beast` number, since 4 + 5 + 3 + 1 + 28 + 601 + 7 + 8 + 4 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3362229678 + ... + 3362243154.

It is an arithmetic number, because the mean of its divisors is an integer number (149240276640).

Almost surely, 245312860178432 is an apocalyptic number.

45312860178432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45312860178432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85962399344640).

45312860178432 is an abundant number, since it is smaller than the sum of its proper divisors (126611938510848).

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

45312860178432 is a wasteful number, since it uses less digits than its factorization.

45312860178432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649 (or 13626 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

Adding to 45312860178432 its reverse (23487106821354), we get a palindrome (68799966999786).

The spelling of 45312860178432 in words is "forty-five trillion, three hundred twelve billion, eight hundred sixty million, one hundred seventy-eight thousand, four hundred thirty-two".