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10550550001 = 29363812069
BaseRepresentation
bin10011101001101110…
…01001110111110001
31000020021201110202011
421310313021313301
5133101420100001
64502530522521
7522311123665
oct116467116761
930207643664
1010550550001
114524568412
122065436441
13cc1a910c4
147213168a5
1541b3add51
hex274dc9df1

10550550001 has 4 divisors (see below), whose sum is σ = 10914362100. Its totient is φ = 10186737904.

The previous prime is 10550549969. The next prime is 10550550007. The reversal of 10550550001 is 10005505501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1953551601 + 8596998400 = 44199^2 + 92720^2 .

It is a cyclic number.

It is not a de Polignac number, because 10550550001 - 25 = 10550549969 is a prime.

It is a super-2 number, since 2×105505500012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10550550007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181906006 + ... + 181906063.

It is an arithmetic number, because the mean of its divisors is an integer number (2728590525).

Almost surely, 210550550001 is an apocalyptic number.

It is an amenable number.

10550550001 is a deficient number, since it is larger than the sum of its proper divisors (363812099).

10550550001 is an equidigital number, since it uses as much as digits as its factorization.

10550550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363812098.

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 10550550001 in words is "ten billion, five hundred fifty million, five hundred fifty thousand, one".

Divisors: 1 29 363812069 10550550001