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2143063700 = 2252472112161
BaseRepresentation
bin111111110111100…
…1000111010010100
312112100112220201122
41333233020322110
513342111014300
6552353143112
7104051512061
oct17757107224
95470486648
102143063700
119aa781528
124b985aa98
13281cb803b
14164899c68
15c8221c85
hex7fbc8e94

2143063700 has 72 divisors (see below), whose sum is σ = 4774111104. Its totient is φ = 834624000.

The previous prime is 2143063691. The next prime is 2143063729. The reversal of 2143063700 is 73603412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143063700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990620 + ... + 992780.

Almost surely, 22143063700 is an apocalyptic number.

2143063700 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 2143063700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2387055552).

2143063700 is an abundant number, since it is smaller than the sum of its proper divisors (2631047404).

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

2143063700 is a wasteful number, since it uses less digits than its factorization.

2143063700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 2143063700 is about 46293.2360070021. The cubic root of 2143063700 is about 1289.2734125147.

The spelling of 2143063700 in words is "two billion, one hundred forty-three million, sixty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 211 235 422 470 844 940 1055 1175 2110 2161 2350 4220 4322 4700 5275 8644 9917 10550 10805 19834 21100 21610 39668 43220 49585 54025 99170 101567 108050 198340 203134 216100 247925 406268 455971 495850 507835 911942 991700 1015670 1823884 2031340 2279855 2539175 4559710 5078350 9119420 10156700 11399275 21430637 22798550 42861274 45597100 85722548 107153185 214306370 428612740 535765925 1071531850 2143063700