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2064769140 = 2235719258743
BaseRepresentation
bin111101100010001…
…1110000001110100
312022220020010210010
41323010132001310
513212040103030
6540515100220
7102111151050
oct17304360164
95286203703
102064769140
1196a565685
124975a1670
1326ba03cb5
14158318c60
15c14086b0
hex7b11e074

2064769140 has 96 divisors (see below), whose sum is σ = 6955038720. Its totient is φ = 447106176.

The previous prime is 2064769103. The next prime is 2064769163. The reversal of 2064769140 is 419674602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121392 + ... + 137351.

It is an arithmetic number, because the mean of its divisors is an integer number (72448320).

Almost surely, 22064769140 is an apocalyptic number.

2064769140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064769140 is an abundant number, since it is smaller than the sum of its proper divisors (4890269580).

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

2064769140 is a wasteful number, since it uses less digits than its factorization.

2064769140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258781 (or 258779 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2064769140 is about 45439.7308530761. The cubic root of 2064769140 is about 1273.3774855323.

The spelling of 2064769140 in words is "two billion, sixty-four million, seven hundred sixty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 76 84 95 105 114 133 140 190 210 228 266 285 380 399 420 532 570 665 798 1140 1330 1596 1995 2660 3990 7980 258743 517486 776229 1034972 1293715 1552458 1811201 2587430 3104916 3622402 3881145 4916117 5174860 5433603 7244804 7762290 9056005 9832234 10867206 14748351 15524580 18112010 19664468 21734412 24580585 27168015 29496702 34412819 36224020 49161170 54336030 58993404 68825638 73741755 98322340 103238457 108672060 137651276 147483510 172064095 206476914 294967020 344128190 412953828 516192285 688256380 1032384570 2064769140