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93381138719999 = 137183164516923
BaseRepresentation
bin10101001110110111111101…
…100110100010010011111111
3110020122011001010002121211022
4111032313331212202103333
544214424033003014444
6530334411454414355
725445364445426364
oct2516677546422377
9406564033077738
1093381138719999
112783279a403419
12a581a825013bb
134014a5a66aa50
14190b957bd446b
15abe0cebd19ee
hex54edfd9a24ff

93381138719999 has 4 divisors (see below), whose sum is σ = 100564303236936. Its totient is φ = 86197974203064.

The previous prime is 93381138719971. The next prime is 93381138720013. The reversal of 93381138719999 is 99991783118339.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93381138719999 is a prime.

It is a super-2 number, since 2×933811387199992 (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 (93381138719899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591582258449 + ... + 3591582258474.

It is an arithmetic number, because the mean of its divisors is an integer number (25141075809234).

Almost surely, 293381138719999 is an apocalyptic number.

93381138719999 is a deficient number, since it is larger than the sum of its proper divisors (7183164516937).

93381138719999 is a wasteful number, since it uses less digits than its factorization.

93381138719999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183164516936.

The product of its digits is 714256704, while the sum is 80.

The spelling of 93381138719999 in words is "ninety-three trillion, three hundred eighty-one billion, one hundred thirty-eight million, seven hundred nineteen thousand, nine hundred ninety-nine".

Divisors: 1 13 7183164516923 93381138719999