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2101002242 = 219725720749
BaseRepresentation
bin111110100111010…
…1100000000000010
312102102101222020212
41331032230000002
513300324032432
6544251434122
7103031136653
oct17516540002
95372358225
102101002242
11988a63099
124a7755942
1327637c0c1
1415d06b52a
15c46b42b2
hex7d3ac002

2101002242 has 16 divisors (see below), whose sum is σ = 3179979000. Its totient is φ = 1041051648.

The previous prime is 2101002223. The next prime is 2101002247. The reversal of 2101002242 is 2422001012.

It can be written as a sum of positive squares in 4 ways, for example, as 2095716841 + 5285401 = 45779^2 + 2299^2 .

It is not an unprimeable number, because it can be changed into a prime (2101002247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90884 + ... + 111632.

Almost surely, 22101002242 is an apocalyptic number.

2101002242 is a deficient number, since it is larger than the sum of its proper divisors (1078976758).

2101002242 is a wasteful number, since it uses less digits than its factorization.

2101002242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21205.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2101002242 is about 45836.6910018601. The cubic root of 2101002242 is about 1280.7828548444.

Adding to 2101002242 its reverse (2422001012), we get a palindrome (4523003254).

The spelling of 2101002242 in words is "two billion, one hundred one million, two thousand, two hundred forty-two".

Divisors: 1 2 197 257 394 514 20749 41498 50629 101258 4087553 5332493 8175106 10664986 1050501121 2101002242