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9308063921 = 131083166107
BaseRepresentation
bin10001010101100110…
…11100100010110001
3220000200202122021012
420222303130202301
5123030331021141
64135344040305
7446443144412
oct105263344261
926020678235
109308063921
113a47183212
121979303095
13b54542640
146442c7809
1539727eceb
hex22acdc8b1

9308063921 has 8 divisors (see below), whose sum is σ = 10025145984. Its totient is φ = 8591135760.

The previous prime is 9308063893. The next prime is 9308063923. The reversal of 9308063921 is 1293608039.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9308063921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9308063923) 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, 107750 + ... + 173856.

It is an arithmetic number, because the mean of its divisors is an integer number (1253143248).

Almost surely, 29308063921 is an apocalyptic number.

It is an amenable number.

9308063921 is a deficient number, since it is larger than the sum of its proper divisors (717082063).

9308063921 is a wasteful number, since it uses less digits than its factorization.

9308063921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76951.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9308063921 is about 96478.3080334642. The cubic root of 9308063921 is about 2103.5513544869.

The spelling of 9308063921 in words is "nine billion, three hundred eight million, sixty-three thousand, nine hundred twenty-one".

Divisors: 1 13 10831 66107 140803 859391 716004917 9308063921