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193191500742684 = 22316099291728557
BaseRepresentation
bin101011111011010011100110…
…110001101000000000011100
3221100000221000212002202111120
4223323103212301220000130
5200310222143142231214
61522514541125250540
755456424325436413
oct5373234661500034
9840027025082446
10193191500742684
115661406774a404
1219801982863a50
1383a4b5a1875a2
14359c738ba447a
15175054aa9aea9
hexafb4e6c6801c

193191500742684 has 12 divisors (see below), whose sum is σ = 450780168399624. Its totient is φ = 64397166914224.

The previous prime is 193191500742671. The next prime is 193191500742797. The reversal of 193191500742684 is 486247005191391.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 8049645864267 + ... + 8049645864290.

It is an arithmetic number, because the mean of its divisors is an integer number (37565014033302).

It is a 1-persistent number, because it is pandigital, but 2⋅193191500742684 = 386383001485368 is not.

Almost surely, 2193191500742684 is an apocalyptic number.

It is an amenable number.

193191500742684 is an abundant number, since it is smaller than the sum of its proper divisors (257588667656940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193191500742684 is a wasteful number, since it uses less digits than its factorization.

193191500742684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16099291728564 (or 16099291728562 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 193191500742684 in words is "one hundred ninety-three trillion, one hundred ninety-one billion, five hundred million, seven hundred forty-two thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 16099291728557 32198583457114 48297875185671 64397166914228 96595750371342 193191500742684