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1945943744396 = 223761912931921
BaseRepresentation
bin11100010100010011010…
…010010001111110001100
320220000211011110112201012
4130110103102101332030
5223340243044310041
64045542035504352
7260406204625151
oct34242322217614
96800734415635
101945943744396
116902a7570983
122751787580b8
1311166a337402
146a281564228
153594249e3eb
hex1c513491f8c

1945943744396 has 12 divisors (see below), whose sum is σ = 3405492339480. Its totient is φ = 972945933120.

The previous prime is 1945943744389. The next prime is 1945943744399. The reversal of 1945943744396 is 6934473495491.

It is not an unprimeable number, because it can be changed into a prime (1945943744399) 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 3 ways as a sum of consecutive naturals, for example, 6315485 + ... + 6616436.

It is an arithmetic number, because the mean of its divisors is an integer number (283791028290).

Almost surely, 21945943744396 is an apocalyptic number.

It is an amenable number.

1945943744396 is a deficient number, since it is larger than the sum of its proper divisors (1459548595084).

1945943744396 is a wasteful number, since it uses less digits than its factorization.

1945943744396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969544 (or 12969542 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 68.

The spelling of 1945943744396 in words is "one trillion, nine hundred forty-five billion, nine hundred forty-three million, seven hundred forty-four thousand, three hundred ninety-six".

Divisors: 1 2 4 37619 75238 150476 12931921 25863842 51727684 486485936099 972971872198 1945943744396