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9047220480 = 28355172959
BaseRepresentation
bin10000110110100000…
…11010000100000000
3212100111221102100000
420123100122010000
5122012042023410
64053425200000
7440125051044
oct103320320400
925314842300
109047220480
113922a13721
121905a90000
13b124a44cc
1461b7c8024
1537e407dc0
hex21b41a100

9047220480 has 864 divisors, whose sum is σ = 36159177600. Its totient is φ = 2155216896.

The previous prime is 9047220467. The next prime is 9047220493. The reversal of 9047220480 is 840227409.

9047220480 is a `hidden beast` number, since 90 + 4 + 72 + 20 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (9047220467) and next prime (9047220493).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153342691 + ... + 153342749.

It is an arithmetic number, because the mean of its divisors is an integer number (41850900).

Almost surely, 29047220480 is an apocalyptic number.

9047220480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9047220480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18079588800).

9047220480 is an abundant number, since it is smaller than the sum of its proper divisors (27111957120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9047220480 is a wasteful number, since it uses less digits than its factorization.

9047220480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 9047220480 is about 95116.8779975457. The cubic root of 9047220480 is about 2083.7153516984.

Adding to 9047220480 its reverse (840227409), we get a palindrome (9887447889).

The spelling of 9047220480 in words is "nine billion, forty-seven million, two hundred twenty thousand, four hundred eighty".