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2012143100 = 2252111829221
BaseRepresentation
bin111011111101110…
…1101110111111100
312012020012110102112
41313323231313330
513110102034400
6531355113152
7100601635262
oct16773556774
95166173375
102012143100
11942890990
12481a427b8
13260b39526
1415133a432
15bb9b0835
hex77eeddfc

2012143100 has 36 divisors (see below), whose sum is σ = 4763294088. Its totient is φ = 731688000.

The previous prime is 2012143051. The next prime is 2012143121. The reversal of 2012143100 is 13412102.

It is a super-2 number, since 2×20121431002 = 8097439709755220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913511 + ... + 915710.

Almost surely, 22012143100 is an apocalyptic number.

2012143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012143100 is an abundant number, since it is smaller than the sum of its proper divisors (2751150988).

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

2012143100 is a wasteful number, since it uses less digits than its factorization.

2012143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829246 (or 1829239 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2012143100 is about 44856.9180840592. The cubic root of 2012143100 is about 1262.4657978513.

Adding to 2012143100 its reverse (13412102), we get a palindrome (2025555202).

The spelling of 2012143100 in words is "two billion, twelve million, one hundred forty-three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 1829221 3658442 7316884 9146105 18292210 20121431 36584420 40242862 45730525 80485724 91461050 100607155 182922100 201214310 402428620 503035775 1006071550 2012143100