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9993359969 = 21757459317
BaseRepresentation
bin10010100111010011…
…01001001001100001
3221210110021021201022
421103221221021201
5130431300004334
64331344215225
7502434105155
oct112351511141
927713237638
109993359969
114268a9a28a
121b2a90a515
13c33504068
146ab315065
153d74ea82e
hex253a69261

9993359969 has 4 divisors (see below), whose sum is σ = 9993841044. Its totient is φ = 9992878896.

The previous prime is 9993359923. The next prime is 9993359983. The reversal of 9993359969 is 9699533999.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9699533999 = 10394170233.

It can be written as a sum of positive squares in 2 ways, for example, as 9392129569 + 601230400 = 96913^2 + 24520^2 .

It is a cyclic number.

It is not a de Polignac number, because 9993359969 - 212 = 9993355873 is a prime.

It is a super-2 number, since 2×99933599692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9993359989) 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, 207902 + ... + 251415.

It is an arithmetic number, because the mean of its divisors is an integer number (2498460261).

Almost surely, 29993359969 is an apocalyptic number.

It is an amenable number.

9993359969 is a deficient number, since it is larger than the sum of its proper divisors (481075).

9993359969 is a wasteful number, since it uses less digits than its factorization.

9993359969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481074.

The product of its digits is 143489070, while the sum is 71.

The square root of 9993359969 is about 99966.7943319180. The cubic root of 9993359969 is about 2153.9577340119.

The spelling of 9993359969 in words is "nine billion, nine hundred ninety-three million, three hundred fifty-nine thousand, nine hundred sixty-nine".

Divisors: 1 21757 459317 9993359969