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8888880081 = 323128824349
BaseRepresentation
bin10000100011101000…
…11000101111010001
3211221110222220010210
420101310120233101
5121201023130311
64030011314333
7433163143164
oct102164305721
924843886123
108888880081
1138515a5194
121880a4b9a9
13ab8745273
1460476badb
1537057c3a6
hex211d18bd1

8888880081 has 8 divisors (see below), whose sum is σ = 12367137600. Its totient is φ = 5668271312.

The previous prime is 8888880071. The next prime is 8888880097. The reversal of 8888880081 is 1800888888.

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 8888880081 - 210 = 8888879057 is a prime.

It is a super-2 number, since 2×88888800812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8888880031) 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, 64412106 + ... + 64412243.

It is an arithmetic number, because the mean of its divisors is an integer number (1545892200).

Almost surely, 28888880081 is an apocalyptic number.

It is an amenable number.

8888880081 is a deficient number, since it is larger than the sum of its proper divisors (3478257519).

8888880081 is a wasteful number, since it uses less digits than its factorization.

8888880081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128824375.

The product of its (nonzero) digits is 2097152, while the sum is 57.

The square root of 8888880081 is about 94280.8574473101. The cubic root of 8888880081 is about 2071.4876530984.

The spelling of 8888880081 in words is "eight billion, eight hundred eighty-eight million, eight hundred eighty thousand, eighty-one".

Divisors: 1 3 23 69 128824349 386473047 2962960027 8888880081