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13066328880 = 243251119312801
BaseRepresentation
bin11000010101101000…
…00101101100110000
31020201121121021120200
430022310011230300
5203224440011010
610000320435200
7641536651203
oct141264055460
936647537520
1013066328880
1155a5669310
122647a78b00
131303056567
148bd4b393a
155171a4cc0
hex30ad05b30

13066328880 has 480 divisors, whose sum is σ = 52033812480. Its totient is φ = 2903040000.

The previous prime is 13066328879. The next prime is 13066328881. The reversal of 13066328880 is 8882366031.

13066328880 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 632 + 8 + 8 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (13066328879) and next prime (13066328881).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13066328881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4663480 + ... + 4666280.

It is an arithmetic number, because the mean of its divisors is an integer number (108403776).

Almost surely, 213066328880 is an apocalyptic number.

13066328880 is a gapful number since it is divisible by the number (10) 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 13066328880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26016906240).

13066328880 is an abundant number, since it is smaller than the sum of its proper divisors (38967483600).

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

13066328880 is a wasteful number, since it uses less digits than its factorization.

13066328880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 13066328880 in words is "thirteen billion, sixty-six million, three hundred twenty-eight thousand, eight hundred eighty".