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112121051530 = 25371392180071
BaseRepresentation
bin110100001101011101…
…1110111100110001010
3101201101220112120002011
41220122323313212022
53314110442122110
6123301355130134
711046315133105
oct1503273674612
9351356476064
10112121051530
1143606457564
121989114394a
13a75aa78997
1455d8b8d73c
152db341c48a
hex1a1aef798a

112121051530 has 32 divisors (see below), whose sum is σ = 208763694720. Its totient is φ = 43322351040.

The previous prime is 112121051453. The next prime is 112121051533. The reversal of 112121051530 is 35150121211.

It is a super-2 number, since 2×1121210515302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121051533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038606 + ... + 1141465.

It is an arithmetic number, because the mean of its divisors is an integer number (6523865460).

Almost surely, 2112121051530 is an apocalyptic number.

112121051530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121051530 is a deficient number, since it is larger than the sum of its proper divisors (96642643190).

112121051530 is a wasteful number, since it uses less digits than its factorization.

112121051530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180254.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 112121051530 its reverse (35150121211), we get a palindrome (147271172741).

The spelling of 112121051530 in words is "one hundred twelve billion, one hundred twenty-one million, fifty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 37 74 139 185 278 370 695 1390 5143 10286 25715 51430 2180071 4360142 10900355 21800710 80662627 161325254 303029869 403313135 606059738 806626270 1515149345 3030298690 11212105153 22424210306 56060525765 112121051530