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145838180799 = 32472691281677
BaseRepresentation
bin1000011111010010100…
…0100000100110111111
3111221102201021012012200
42013310220200212333
54342134033241144
6150555214202543
713352002040403
oct2076450404677
9457381235180
10145838180799
115693893a853
1224320ab3453
13109a228124c
1470b6b57103
153bd8542c69
hex21f4a209bf

145838180799 has 24 divisors (see below), whose sum is σ = 215937109440. Its totient is φ = 94803010368.

The previous prime is 145838180753. The next prime is 145838180809. The reversal of 145838180799 is 997081838541.

145838180799 is a `hidden beast` number, since 1 + 458 + 38 + 1 + 80 + 79 + 9 = 666.

145838180799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145838180799 - 215 = 145838148031 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145838180399) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 527052 + ... + 754625.

It is an arithmetic number, because the mean of its divisors is an integer number (8997379560).

Almost surely, 2145838180799 is an apocalyptic number.

145838180799 is a deficient number, since it is larger than the sum of its proper divisors (70098928641).

145838180799 is a wasteful number, since it uses less digits than its factorization.

145838180799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281999 (or 1281996 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 145838180799 in words is "one hundred forty-five billion, eight hundred thirty-eight million, one hundred eighty thousand, seven hundred ninety-nine".

Divisors: 1 3 9 47 141 269 423 807 2421 12643 37929 113787 1281677 3845031 11535093 60238819 180716457 344771113 542149371 1034313339 3102940017 16204242311 48612726933 145838180799