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105450412450 = 2524993422393
BaseRepresentation
bin110001000110101010…
…1011001100110100010
3101002012000112222112111
41202031111121212202
53211430301144300
6120235424145534
710422105500545
oct1421525314642
9332160488474
10105450412450
11407a30106a9
121852b1682aa
139c36a80976
145164c8a85c
152b229b19ba
hex188d5599a2

105450412450 has 24 divisors (see below), whose sum is σ = 196177514148. Its totient is φ = 42171617280.

The previous prime is 105450412447. The next prime is 105450412469. The reversal of 105450412450 is 54214054501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3755115841 + 101695296609 = 61279^2 + 318897^2 .

It is a super-2 number, since 2×1054504124502 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38454 + ... + 460846.

Almost surely, 2105450412450 is an apocalyptic number.

105450412450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105450412450 is a deficient number, since it is larger than the sum of its proper divisors (90727101698).

105450412450 is a wasteful number, since it uses less digits than its factorization.

105450412450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427398 (or 427393 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 105450412450 its reverse (54214054501), we get a palindrome (159664466951).

The spelling of 105450412450 in words is "one hundred five billion, four hundred fifty million, four hundred twelve thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 4993 9986 24965 49930 124825 249650 422393 844786 2111965 4223930 10559825 21119650 2109008249 4218016498 10545041245 21090082490 52725206225 105450412450