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9707381909 = 233079137077
BaseRepresentation
bin10010000101001101…
…01110010010010101
3221001112011002120022
421002212232102111
5124340042210114
64243130514525
7462362245661
oct110246562225
927045132508
109707381909
114131622785
121a6ab95a45
13bb91a5684
146813518a1
153bc35b48e
hex2429ae495

9707381909 has 8 divisors (see below), whose sum is σ = 10132805760. Its totient is φ = 9282238416.

The previous prime is 9707381869. The next prime is 9707381911. The reversal of 9707381909 is 9091837079.

9707381909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9707381909 - 228 = 9438946453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9707381989) 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, 2279 + ... + 139355.

It is an arithmetic number, because the mean of its divisors is an integer number (1266600720).

Almost surely, 29707381909 is an apocalyptic number.

It is an amenable number.

9707381909 is a deficient number, since it is larger than the sum of its proper divisors (425423851).

9707381909 is a wasteful number, since it uses less digits than its factorization.

9707381909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140179.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 9707381909 is about 98526.0468556412. The cubic root of 9707381909 is about 2133.2121012461.

The spelling of 9707381909 in words is "nine billion, seven hundred seven million, three hundred eighty-one thousand, nine hundred nine".

Divisors: 1 23 3079 70817 137077 3152771 422060083 9707381909