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6720231740 = 225389863783
BaseRepresentation
bin1100100001000111…
…01001100100111100
3122100100022010212212
412100203221210330
5102230334403430
63030501515552
7325351012235
oct62043514474
918310263785
106720231740
112939439632
121376712bb8
1383136cbb1
1447a73208c
15294ea4b95
hex1908e993c

6720231740 has 24 divisors (see below), whose sum is σ = 14148781920. Its totient is φ = 2681179328.

The previous prime is 6720231719. The next prime is 6720231773. The reversal of 6720231740 is 471320276.

It is a junction number, because it is equal to n+sod(n) for n = 6720231697 and 6720231706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424112 + ... + 439671.

It is an arithmetic number, because the mean of its divisors is an integer number (589532580).

Almost surely, 26720231740 is an apocalyptic number.

It is an amenable number.

6720231740 is an abundant number, since it is smaller than the sum of its proper divisors (7428550180).

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

6720231740 is a wasteful number, since it uses less digits than its factorization.

6720231740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864181 (or 864179 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 6720231740 is about 81977.0195847592. The cubic root of 6720231740 is about 1887.0992839091.

The spelling of 6720231740 in words is "six billion, seven hundred twenty million, two hundred thirty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 863783 1727566 3455132 4318915 8637830 17275660 336011587 672023174 1344046348 1680057935 3360115870 6720231740