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10380221749800 = 23345272171097057
BaseRepresentation
bin1001011100001101010101…
…1011100001101000101000
31100202100011111112102010000
42113003111123201220220
52330032143231443200
634024335200423000
72120642400033300
oct227032533415050
940670144472100
1010380221749800
1133422556252a1
1211b790b317a60
135a3b0a01cc26
1427c596650600
151300302c4300
hex970d56e1a28

10380221749800 has 1440 divisors, whose sum is σ = 44818779238200. Its totient is φ = 2212255825920.

The previous prime is 10380221749727. The next prime is 10380221749801. The reversal of 10380221749800 is 894712208301.

It is a happy number.

10380221749800 is a `hidden beast` number, since 1 + 0 + 380 + 22 + 174 + 9 + 80 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 6171955172964 + 4208266576836 = 2484342^2 + 2051406^2 .

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 (10380221749801) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 1470907872 + ... + 1470914928.

Almost surely, 210380221749800 is an apocalyptic number.

10380221749800 is a gapful number since it is divisible by the number (10) 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 10380221749800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22409389619100).

10380221749800 is an abundant number, since it is smaller than the sum of its proper divisors (34438557488400).

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

10380221749800 is a wasteful number, since it uses less digits than its factorization.

10380221749800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225 (or 7200 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 10380221749800 in words is "ten trillion, three hundred eighty billion, two hundred twenty-one million, seven hundred forty-nine thousand, eight hundred".