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2102434044 = 223175202837
BaseRepresentation
bin111110101010000…
…1001100011111100
312102112002201022120
41331110021203330
513301210342134
6544342242540
7103046252214
oct17524114374
95375081276
102102434044
119898508a7
124a8126450
13276760a19
1415d321244
15c4898649
hex7d5098fc

2102434044 has 12 divisors (see below), whose sum is σ = 4905679464. Its totient is φ = 700811344.

The previous prime is 2102434027. The next prime is 2102434057. The reversal of 2102434044 is 4404342012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×21024340444 (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 87601407 + ... + 87601430.

It is an arithmetic number, because the mean of its divisors is an integer number (408806622).

Almost surely, 22102434044 is an apocalyptic number.

It is an amenable number.

2102434044 is an abundant number, since it is smaller than the sum of its proper divisors (2803245420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102434044 is a wasteful number, since it uses less digits than its factorization.

2102434044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175202844 (or 175202842 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2102434044 is about 45852.3068558170. The cubic root of 2102434044 is about 1281.0737336448.

Adding to 2102434044 its reverse (4404342012), we get a palindrome (6506776056).

The spelling of 2102434044 in words is "two billion, one hundred two million, four hundred thirty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 175202837 350405674 525608511 700811348 1051217022 2102434044