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2101144292 = 2213181223241
BaseRepresentation
bin111110100111100…
…1110101011100100
312102102200012002222
41331033032223210
513300343104132
6544254451512
7103032301052
oct17517165344
95372605088
102101144292
1198904a895
124a7803b98
132763cb960
1415d0a71d2
15c46e1412
hex7d3ceae4

2101144292 has 24 divisors (see below), whose sum is σ = 3981744312. Its totient is φ = 964396800.

The previous prime is 2101144289. The next prime is 2101144333. The reversal of 2101144292 is 2924411012.

It can be written as a sum of positive squares in 4 ways, for example, as 177795556 + 1923348736 = 13334^2 + 43856^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 102209 + ... + 121032.

It is an arithmetic number, because the mean of its divisors is an integer number (165906013).

Almost surely, 22101144292 is an apocalyptic number.

It is an amenable number.

2101144292 is a deficient number, since it is larger than the sum of its proper divisors (1880600020).

2101144292 is a wasteful number, since it uses less digits than its factorization.

2101144292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223439 (or 223437 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2101144292 is about 45838.2404985183. The cubic root of 2101144292 is about 1280.8117190218.

The spelling of 2101144292 in words is "two billion, one hundred one million, one hundred forty-four thousand, two hundred ninety-two".

Divisors: 1 2 4 13 26 52 181 362 724 2353 4706 9412 223241 446482 892964 2902133 5804266 11608532 40406621 80813242 161626484 525286073 1050572146 2101144292