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2880558948960 = 253457112886563
BaseRepresentation
bin101001111010101110101…
…100010110001001100000
3101012101020002212012210000
4221322232230112021200
5334143341042331320
610043151023140000
7415053636034350
oct51725654261140
911171202765700
102880558948960
11a10702481250
123a6331444600
1317b83539a384
149d5c3cccb60
154ede389cc90
hex29eaeb16260

2880558948960 has 480 divisors, whose sum is σ = 12674463766272. Its totient is φ = 598557496320.

The previous prime is 2880558948907. The next prime is 2880558948961. The reversal of 2880558948960 is 698498550882.

2880558948960 is a `hidden beast` number, since 2 + 8 + 8 + 0 + 5 + 5 + 89 + 489 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880558948961) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 445362 + ... + 2441201.

Almost surely, 22880558948960 is an apocalyptic number.

2880558948960 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 2880558948960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6337231883136).

2880558948960 is an abundant number, since it is smaller than the sum of its proper divisors (9793904817312).

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

2880558948960 is a wasteful number, since it uses less digits than its factorization.

2880558948960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886608 (or 2886591 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 72.

The spelling of 2880558948960 in words is "two trillion, eight hundred eighty billion, five hundred fifty-eight million, nine hundred forty-eight thousand, nine hundred sixty".