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19389506023441 = 149683190528423
BaseRepresentation
bin1000110100010011110001…
…00111100111000000010001
32112122121201000100012121001
410122021320213213000101
510020134202020222231
6105123225513302001
74040563014603001
oct432117047470021
975577630305531
1019389506023441
1161a6052737644
122211996404901
13aa8565512858
144b06583ca001
15239573ad1b61
hex11a2789e7011

19389506023441 has 8 divisors (see below), whose sum is σ = 19548216302400. Its totient is φ = 19231176802992.

The previous prime is 19389506023427. The next prime is 19389506023493. The reversal of 19389506023441 is 14432060598391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19389506023441 - 241 = 17190482767889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19389506021441) 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 7 ways as a sum of consecutive naturals, for example, 95162445 + ... + 95365978.

It is an arithmetic number, because the mean of its divisors is an integer number (2443527037800).

Almost surely, 219389506023441 is an apocalyptic number.

It is an amenable number.

19389506023441 is a deficient number, since it is larger than the sum of its proper divisors (158710278959).

19389506023441 is a wasteful number, since it uses less digits than its factorization.

19389506023441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190529255.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 19389506023441 in words is "nineteen trillion, three hundred eighty-nine billion, five hundred six million, twenty-three thousand, four hundred forty-one".

Divisors: 1 149 683 101767 190528423 28388735027 130130912909 19389506023441