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9975237347 = 93710645931
BaseRepresentation
bin10010100101001001…
…00000101011100011
3221202012011120011002
421102210200223203
5130412130043342
64325455542215
7502124055425
oct112244405343
927665146132
109975237347
114259841509
121b2482a96b
13c2c82a30a
146a8b58815
153d5b1ad32
hex252920ae3

9975237347 has 4 divisors (see below), whose sum is σ = 9985884216. Its totient is φ = 9964590480.

The previous prime is 9975237301. The next prime is 9975237353. The reversal of 9975237347 is 7437325799.

9975237347 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7437325799 = 13953505941.

It is a cyclic number.

It is not a de Polignac number, because 9975237347 - 28 = 9975237091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9975237292 and 9975237301.

It is not an unprimeable number, because it can be changed into a prime (9975237397) 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, 5322029 + ... + 5323902.

It is an arithmetic number, because the mean of its divisors is an integer number (2496471054).

Almost surely, 29975237347 is an apocalyptic number.

9975237347 is a deficient number, since it is larger than the sum of its proper divisors (10646869).

9975237347 is a wasteful number, since it uses less digits than its factorization.

9975237347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646868.

The product of its digits is 10001880, while the sum is 56.

The square root of 9975237347 is about 99876.1099913288. The cubic root of 9975237347 is about 2152.6549028594.

The spelling of 9975237347 in words is "nine billion, nine hundred seventy-five million, two hundred thirty-seven thousand, three hundred forty-seven".

Divisors: 1 937 10645931 9975237347