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194269107983 = 1399713879339
BaseRepresentation
bin1011010011101101010…
…1110101011100001111
3200120102221121012120112
42310323111311130033
511140330342423413
6225125045110235
720015112113006
oct2647325653417
9616387535515
10194269107983
1175430935205
12317983b837b
131541cc26202
14958cd23c3d
1550c02972a8
hex2d3b57570f

194269107983 has 4 divisors (see below), whose sum is σ = 194283001320. Its totient is φ = 194255214648.

The previous prime is 194269107971. The next prime is 194269108031. The reversal of 194269107983 is 389701962491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389701962491 = 439062836337.

It is a cyclic number.

It is not a de Polignac number, because 194269107983 - 28 = 194269107727 is a prime.

It is a super-3 number, since 3×1942691079833 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194569107983) 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 3 ways as a sum of consecutive naturals, for example, 6925673 + ... + 6953666.

It is an arithmetic number, because the mean of its divisors is an integer number (48570750330).

Almost surely, 2194269107983 is an apocalyptic number.

194269107983 is a deficient number, since it is larger than the sum of its proper divisors (13893337).

194269107983 is a wasteful number, since it uses less digits than its factorization.

194269107983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893336.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 194269107983 in words is "one hundred ninety-four billion, two hundred sixty-nine million, one hundred seven thousand, nine hundred eighty-three".

Divisors: 1 13997 13879339 194269107983