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10101444100450 = 252202028882009
BaseRepresentation
bin1001001011111110110011…
…1111001100000101100010
31022202200121000012111110221
42102333230333030011202
52311000224142203300
633252312300113254
72061543126102223
oct222775477140542
938680530174427
1010101444100450
113244aa893a16a
12117188923582a
1358373cbb7771
1426ccabca124a
15127b65d3431a
hex92fecfcc162

10101444100450 has 12 divisors (see below), whose sum is σ = 18788686026930. Its totient is φ = 4040577640160.

The previous prime is 10101444100339. The next prime is 10101444100459. The reversal of 10101444100450 is 5400144410101.

It can be written as a sum of positive squares in 3 ways, for example, as 5530789208169 + 4570654892281 = 2351763^2 + 2137909^2 .

It is a super-2 number, since 2×101014441004502 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (10101444100459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101014440955 + ... + 101014441054.

Almost surely, 210101444100450 is an apocalyptic number.

10101444100450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101444100450 is a deficient number, since it is larger than the sum of its proper divisors (8687241926480).

10101444100450 is a wasteful number, since it uses less digits than its factorization.

10101444100450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202028882021 (or 202028882016 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 10101444100450 its reverse (5400144410101), we get a palindrome (15501588510551).

The spelling of 10101444100450 in words is "ten trillion, one hundred one billion, four hundred forty-four million, one hundred thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 202028882009 404057764018 1010144410045 2020288820090 5050722050225 10101444100450