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93399388173991 = 292778487406559
BaseRepresentation
bin10101001111001000111101…
…010110101011011010100111
3110020200220010221122221101201
4111033020331112223122213
544220223421333031431
6530351030411503331
725446611623300534
oct2517107526533247
9406626127587351
1093399388173991
112783a5047862a9
12a585516157b47
1340166a847c333
14190c7a97d7d8b
15abe7ebe12461
hex54f23d5ab6a7

93399388173991 has 8 divisors (see below), whose sum is σ = 93432717987840. Its totient is φ = 93366059336088.

The previous prime is 93399388173961. The next prime is 93399388173997. The reversal of 93399388173991 is 19937188399339.

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 93399388173991 - 243 = 84603295151783 is a prime.

It is a super-2 number, since 2×933993881739912 (a number of 29 digits) contains 22 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 (93399388173997) 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, 229528170 + ... + 229934728.

It is an arithmetic number, because the mean of its divisors is an integer number (11679089748480).

Almost surely, 293399388173991 is an apocalyptic number.

93399388173991 is a deficient number, since it is larger than the sum of its proper divisors (33329813849).

93399388173991 is a wasteful number, since it uses less digits than its factorization.

93399388173991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487973.

The product of its digits is 2142770112, while the sum is 82.

The spelling of 93399388173991 in words is "ninety-three trillion, three hundred ninety-nine billion, three hundred eighty-eight million, one hundred seventy-three thousand, nine hundred ninety-one".

Divisors: 1 2927 78487 406559 229731449 1189998193 31909596233 93399388173991