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2112140030 = 2571113216231
BaseRepresentation
bin111110111100100…
…1011001011111110
312110012100211102112
41331321023023332
513311201440110
6545330254022
7103224615440
oct17571131376
95405324375
102112140030
11994280080
124ab427312
1327877b800
1416072a490
15c5664405
hex7de4b2fe

2112140030 has 96 divisors (see below), whose sum is σ = 5132947968. Its totient is φ = 607651200.

The previous prime is 2112140029. The next prime is 2112140053. The reversal of 2112140030 is 300412112.

It is a super-2 number, since 2×21121400302 = 8922271012656801800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2112139987 and 2112140014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122015 + ... + 138245.

It is an arithmetic number, because the mean of its divisors is an integer number (53468208).

Almost surely, 22112140030 is an apocalyptic number.

2112140030 is an abundant number, since it is smaller than the sum of its proper divisors (3020807938).

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

2112140030 is a wasteful number, since it uses less digits than its factorization.

2112140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16282 (or 16269 counting only the distinct ones).

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

The square root of 2112140030 is about 45958.0246529374. The cubic root of 2112140030 is about 1283.0420868661.

Adding to 2112140030 its reverse (300412112), we get a palindrome (2412552142).

It can be divided in two parts, 2112 and 140030, that multiplied together give a triangular number (295743360 = T24320).

The spelling of 2112140030 in words is "two billion, one hundred twelve million, one hundred forty thousand, thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 169 182 286 338 385 455 715 770 845 910 1001 1183 1430 1690 1859 2002 2366 3718 5005 5915 9295 10010 11830 13013 16231 18590 26026 32462 65065 81155 113617 130130 162310 178541 211003 227234 357082 422006 568085 892705 1055015 1136170 1249787 1477021 1785410 2110030 2321033 2499574 2743039 2954042 4642066 5486078 6248935 7385105 11605165 12497870 13715195 14770210 16247231 19201273 23210330 27430390 30173429 32494462 38402546 60346858 81236155 96006365 150867145 162472310 192012730 211214003 301734290 422428006 1056070015 2112140030