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8609448961 = 73239493463
BaseRepresentation
bin10000000010010100…
…11100010000000001
3211020000012022201001
420001022130100001
5120113004331321
63542150212001
7423231052201
oct100112342001
924200168631
108609448961
11371889a483
121803354001
13a728997c9
145b95d0401
15355c82c91
hex20129c401

8609448961 has 8 divisors (see below), whose sum is σ = 8763920640. Its totient is φ = 8455964832.

The previous prime is 8609448937. The next prime is 8609448977. The reversal of 8609448961 is 1698449068.

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 8609448961 - 27 = 8609448833 is a prime.

It is a super-2 number, since 2×86094489612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8609448931) 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, 229285 + ... + 264178.

It is an arithmetic number, because the mean of its divisors is an integer number (1095490080).

Almost surely, 28609448961 is an apocalyptic number.

It is an amenable number.

8609448961 is a deficient number, since it is larger than the sum of its proper divisors (154471679).

8609448961 is a wasteful number, since it uses less digits than its factorization.

8609448961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493775.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 8609448961 is about 92787.1163524333. The cubic root of 8609448961 is about 2049.5496897877.

The spelling of 8609448961 in words is "eight billion, six hundred nine million, four hundred forty-eight thousand, nine hundred sixty-one".

Divisors: 1 73 239 17447 493463 36022799 117937657 8609448961