Search a number
-
+
56803001720 = 23543208915809
BaseRepresentation
bin110100111001101110…
…010000010101111000
312102121200212110120112
4310321232100111320
51412313032023340
642032301243452
74050426356003
oct647156202570
9172550773515
1056803001720
11220a98a4a23
12b013263588
1354832cca2a
142a6c04a53a
151726c49065
hexd39b90578

56803001720 has 64 divisors (see below), whose sum is σ = 130849884000. Its totient is φ = 22180773888.

The previous prime is 56803001693. The next prime is 56803001743. The reversal of 56803001720 is 2710030865.

It is a happy number.

56803001720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585176 + ... + 3600984.

Almost surely, 256803001720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56803001720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65424942000).

56803001720 is an abundant number, since it is smaller than the sum of its proper divisors (74046882280).

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

56803001720 is a wasteful number, since it uses less digits than its factorization.

56803001720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17952 (or 17948 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 56803001720 in words is "fifty-six billion, eight hundred three million, one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 2089 4178 8356 10445 15809 16712 20890 31618 41780 63236 79045 83560 89827 126472 158090 179654 316180 359308 449135 632360 679787 718616 898270 1359574 1796540 2719148 3398935 3593080 5438296 6797870 13595740 27191480 33025001 66050002 132100004 165125005 264200008 330250010 660500020 1321000040 1420075043 2840150086 5680300172 7100375215 11360600344 14200750430 28401500860 56803001720