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97688364043 = 688191419497
BaseRepresentation
bin101101011111010101…
…1100010010000001011
3100100011001220001212011
41122332223202100023
53100031210122133
6112513304400351
710025544252034
oct1327653422013
9310131801764
1097688364043
113847a597866
1216b237760b7
13929a92220a
144a2a043a8b
15281b31a6cd
hex16beae240b

97688364043 has 4 divisors (see below), whose sum is σ = 97689852360. Its totient is φ = 97686875728.

The previous prime is 97688364041. The next prime is 97688364079. The reversal of 97688364043 is 34046388679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97688364043 - 21 = 97688364041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97688364041) 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, 640930 + ... + 778567.

It is an arithmetic number, because the mean of its divisors is an integer number (24422463090).

Almost surely, 297688364043 is an apocalyptic number.

97688364043 is a deficient number, since it is larger than the sum of its proper divisors (1488317).

97688364043 is a wasteful number, since it uses less digits than its factorization.

97688364043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488316.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 97688364043 in words is "ninety-seven billion, six hundred eighty-eight million, three hundred sixty-four thousand, forty-three".

Divisors: 1 68819 1419497 97688364043