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446870421090 = 23254965226901
BaseRepresentation
bin1101000000010111000…
…11010111111001100010
31120201110011112110102200
412200023203113321202
524310142311433330
6541142303554030
744166602623002
oct6401343277142
91521404473380
10446870421090
111625757804a5
1272733bbb916
13331a7bc7912
14178b2dda002
15b956650a60
hex680b8d7e62

446870421090 has 24 divisors (see below), whose sum is σ = 1161863095068. Its totient is φ = 119165445600.

The previous prime is 446870421073. The next prime is 446870421097. The reversal of 446870421090 is 90124078644.

446870421090 is a `hidden beast` number, since 446 + 8 + 70 + 42 + 10 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 444663582561 + 2206838529 = 666831^2 + 46977^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (446870421097) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2482613361 + ... + 2482613540.

Almost surely, 2446870421090 is an apocalyptic number.

446870421090 is an abundant number, since it is smaller than the sum of its proper divisors (714992673978).

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

446870421090 is a wasteful number, since it uses less digits than its factorization.

446870421090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965226914 (or 4965226911 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 446870421090 in words is "four hundred forty-six billion, eight hundred seventy million, four hundred twenty-one thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4965226901 9930453802 14895680703 24826134505 29791361406 44687042109 49652269010 74478403515 89374084218 148956807030 223435210545 446870421090