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2721300120 = 23325711127773
BaseRepresentation
bin1010001000110011…
…1011111010011000
321000122121100222100
42202030323322120
521033123100440
61130010523400
7124302445410
oct24214737230
97018540870
102721300120
111177115070
1263b436560
13344a33876
141bb5b9640
1510dd91230
hexa233be98

2721300120 has 384 divisors, whose sum is σ = 11127767040. Its totient is φ = 560286720.

The previous prime is 2721300119. The next prime is 2721300139. The reversal of 2721300120 is 210031272.

2721300120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×27213001202 = 14810948686224028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2721300093 and 2721300102.

It is a congruent number.

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, 3520054 + ... + 3520826.

It is an arithmetic number, because the mean of its divisors is an integer number (28978560).

Almost surely, 22721300120 is an apocalyptic number.

2721300120 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 2721300120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5563883520).

2721300120 is an abundant number, since it is smaller than the sum of its proper divisors (8406466920).

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

2721300120 is a wasteful number, since it uses less digits than its factorization.

2721300120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2721300120 is about 52166.0820840515. The cubic root of 2721300120 is about 1396.1287815339.

Adding to 2721300120 its reverse (210031272), we get a palindrome (2931331392).

The spelling of 2721300120 in words is "two billion, seven hundred twenty-one million, three hundred thousand, one hundred twenty".