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993189899071 = 31155920550599
BaseRepresentation
bin11100111001111101011…
…10110010101100111111
310111221121010000110020201
432130332232302230333
5112233023103232241
62040133134224331
7131520112564246
oct16347656625477
93457533013221
10993189899071
11353233895307
121405a13550a7
1372871421416
14360dbbdd95d
151ac7d95d931
hexe73ebb2b3f

993189899071 has 8 divisors (see below), whose sum is σ = 1025885952000. Its totient is φ = 960534950520.

The previous prime is 993189899041. The next prime is 993189899089. The reversal of 993189899071 is 170998981399.

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 993189899071 - 215 = 993189866303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 993189898985 and 993189899003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993189899041) 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, 10226971 + ... + 10323628.

It is an arithmetic number, because the mean of its divisors is an integer number (128235744000).

Almost surely, 2993189899071 is an apocalyptic number.

993189899071 is a deficient number, since it is larger than the sum of its proper divisors (32696052929).

993189899071 is a wasteful number, since it uses less digits than its factorization.

993189899071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552189.

The product of its (nonzero) digits is 79361856, while the sum is 73.

The spelling of 993189899071 in words is "nine hundred ninety-three billion, one hundred eighty-nine million, eight hundred ninety-nine thousand, seventy-one".

Divisors: 1 31 1559 48329 20550599 637068569 32038383841 993189899071