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2980815102720 = 28335731323292
BaseRepresentation
bin101011011000000110011…
…011001110001100000000
3101112222000010111111221000
4223120012123032030000
5342314202131241340
610201211220332000
7425233243215000
oct53300633161400
911488003444830
102980815102720
11a4a17a463474
12401850b44000
13188121c95490
14a43b4d8c000
1552810334d30
hex2b6066ce300

2980815102720 has 3456 divisors, whose sum is σ = 14356532736000. Its totient is φ = 580830953472.

The previous prime is 2980815102701. The next prime is 2980815102721. The reversal of 2980815102720 is 272015180892.

2980815102720 is a `hidden beast` number, since 2 + 98 + 0 + 8 + 1 + 510 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

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 (2980815102721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 102786727666 + ... + 102786727694.

Almost surely, 22980815102720 is an apocalyptic number.

2980815102720 is a gapful number since it is divisible by the number (20) 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 2980815102720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7178266368000).

2980815102720 is an abundant number, since it is smaller than the sum of its proper divisors (11375717633280).

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

2980815102720 is a wasteful number, since it uses less digits than its factorization.

2980815102720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 2980815102720 in words is "two trillion, nine hundred eighty billion, eight hundred fifteen million, one hundred two thousand, seven hundred twenty".