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97887842049 = 343758820481
BaseRepresentation
bin101101100101010010…
…0011110111100000001
3100100122222020121020110
41123022210132330001
53100433241421144
6112545152101533
710033515633414
oct1331244367401
9310588217213
1097887842049
1138572153618
1216b7a5348a9
139300055a3a
144a4872bb7b
15282dac00b9
hex16ca91ef01

97887842049 has 8 divisors (see below), whose sum is σ = 133552404832. Its totient is φ = 63740920320.

The previous prime is 97887842047. The next prime is 97887842051. The reversal of 97887842049 is 94024878879.

It is an interprime number because it is at equal distance from previous prime (97887842047) and next prime (97887842051).

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

It is not a de Polignac number, because 97887842049 - 21 = 97887842047 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97887842047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379410112 + ... + 379410369.

It is an arithmetic number, because the mean of its divisors is an integer number (16694050604).

Almost surely, 297887842049 is an apocalyptic number.

It is an amenable number.

97887842049 is a deficient number, since it is larger than the sum of its proper divisors (35664562783).

97887842049 is a wasteful number, since it uses less digits than its factorization.

97887842049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758820527.

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 97887842049 in words is "ninety-seven billion, eight hundred eighty-seven million, eight hundred forty-two thousand, forty-nine".

Divisors: 1 3 43 129 758820481 2276461443 32629280683 97887842049