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2064703860 = 2232515773061
BaseRepresentation
bin111101100010000…
…1110000101110100
312022220002211020100
41323010032011310
513212031010420
6540513434100
7102110456532
oct17304160564
95286084210
102064703860
1196a52062a
1249756b930
1326b9b037b
141582dd152
15c13e4190
hex7b10e174

2064703860 has 72 divisors (see below), whose sum is σ = 6302912616. Its totient is φ = 547073280.

The previous prime is 2064703853. The next prime is 2064703909. The reversal of 2064703860 is 683074602.

2064703860 is a `hidden beast` number, since 2 + 0 + 647 + 0 + 3 + 8 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19131876 + 2045571984 = 4374^2 + 45228^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8271 + ... + 64790.

It is an arithmetic number, because the mean of its divisors is an integer number (87540453).

Almost surely, 22064703860 is an apocalyptic number.

2064703860 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 2064703860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3151456308).

2064703860 is an abundant number, since it is smaller than the sum of its proper divisors (4238208756).

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

2064703860 is a wasteful number, since it uses less digits than its factorization.

2064703860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73233 (or 73228 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2064703860 is about 45439.0125332847. The cubic root of 2064703860 is about 1273.3640656368.

The spelling of 2064703860 in words is "two billion, sixty-four million, seven hundred three thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 157 180 314 471 628 785 942 1413 1570 1884 2355 2826 3140 4710 5652 7065 9420 14130 28260 73061 146122 219183 292244 365305 438366 657549 730610 876732 1095915 1315098 1461220 2191830 2630196 3287745 4383660 6575490 11470577 13150980 22941154 34411731 45882308 57352885 68823462 103235193 114705770 137646924 172058655 206470386 229411540 344117310 412940772 516175965 688234620 1032351930 2064703860