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193014889447 = 298974782987
BaseRepresentation
bin1011001111000010010…
…1010111101111100111
3200110012112120022012011
42303300211113233213
511130243302430242
6224400402535051
716642042330132
oct2636045275747
9613175508164
10193014889447
1174947967266
12314a8367487
131528012a473
1494b051d219
15504a0ebd17
hex2cf0957be7

193014889447 has 8 divisors (see below), whose sum is σ = 201914067600. Its totient is φ = 184265277504.

The previous prime is 193014889439. The next prime is 193014889469. The reversal of 193014889447 is 744988410391.

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 193014889447 - 23 = 193014889439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193014889391 and 193014889400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193014889747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37388913 + ... + 37394074.

It is an arithmetic number, because the mean of its divisors is an integer number (25239258450).

Almost surely, 2193014889447 is an apocalyptic number.

193014889447 is a deficient number, since it is larger than the sum of its proper divisors (8899178153).

193014889447 is an equidigital number, since it uses as much as digits as its factorization.

193014889447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74783105.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 193014889447 in words is "one hundred ninety-three billion, fourteen million, eight hundred eighty-nine thousand, four hundred forty-seven".

Divisors: 1 29 89 2581 74782987 2168706623 6655685843 193014889447