Search a number
-
+
2112310554480 = 24345771655883
BaseRepresentation
bin11110101111001111100…
…001010010111101110000
321110221020112222011020000
4132233033201102331300
5234102003000220410
64254214305550000
7305416011315660
oct36571741227560
97427215864200
102112310554480
1174490a270755
122a1468645300
13124261660479
147434488c1a0
1539e2cd7ddc0
hex1ebcf852f70

2112310554480 has 400 divisors, whose sum is σ = 8502523375104. Its totient is φ = 476012920320.

The previous prime is 2112310554463. The next prime is 2112310554503. The reversal of 2112310554480 is 844550132112.

2112310554480 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 3 + 105 + 544 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2892619 + ... + 3548501.

Almost surely, 22112310554480 is an apocalyptic number.

2112310554480 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 2112310554480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4251261687552).

2112310554480 is an abundant number, since it is smaller than the sum of its proper divisors (6390212820624).

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

2112310554480 is a wasteful number, since it uses less digits than its factorization.

2112310554480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655986 (or 655971 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 2112310554480 its reverse (844550132112), we get a palindrome (2956860686592).

The spelling of 2112310554480 in words is "two trillion, one hundred twelve billion, three hundred ten million, five hundred fifty-four thousand, four hundred eighty".