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105415211050 = 2522108304221
BaseRepresentation
bin110001000101100111…
…1000111100000101010
3101002002120022120021221
41202023033013200222
53211342243223200
6120232125452254
710421200336552
oct1421317074052
9332076276257
10105415211050
1140785158336
121851b41108a
139c2c6a7336
145160326162
152b1e85b91a
hex188b3c782a

105415211050 has 12 divisors (see below), whose sum is σ = 196072292646. Its totient is φ = 42166084400.

The previous prime is 105415211023. The next prime is 105415211063. The reversal of 105415211050 is 50112514501.

It can be written as a sum of positive squares in 3 ways, for example, as 96261888121 + 9153322929 = 310261^2 + 95673^2 .

It is a super-2 number, since 2×1054152110502 (a number of 23 digits) contains 22 as substring.

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

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 5 ways as a sum of consecutive naturals, for example, 1054152061 + ... + 1054152160.

Almost surely, 2105415211050 is an apocalyptic number.

105415211050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105415211050 is a deficient number, since it is larger than the sum of its proper divisors (90657081596).

105415211050 is a wasteful number, since it uses less digits than its factorization.

105415211050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108304233 (or 2108304228 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 105415211050 its reverse (50112514501), we get a palindrome (155527725551).

The spelling of 105415211050 in words is "one hundred five billion, four hundred fifteen million, two hundred eleven thousand, fifty".

Divisors: 1 2 5 10 25 50 2108304221 4216608442 10541521105 21083042210 52707605525 105415211050