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2102403132 = 223258400087
BaseRepresentation
bin111110101010000…
…0010000000111100
312102112001010220200
41331110002000330
513301203400012
6544341443500
7103046063124
oct17524020074
95375033820
102102403132
1198982a655
124a8110590
1327674c92b
1415d313c84
15c488e3dc
hex7d50203c

2102403132 has 18 divisors (see below), whose sum is σ = 5314408008. Its totient is φ = 700801032.

The previous prime is 2102403119. The next prime is 2102403137. The reversal of 2102403132 is 2313042012.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102403137) 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 5 ways as a sum of consecutive naturals, for example, 29200008 + ... + 29200079.

Almost surely, 22102403132 is an apocalyptic number.

It is an amenable number.

2102403132 is an abundant number, since it is smaller than the sum of its proper divisors (3212004876).

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

2102403132 is a wasteful number, since it uses less digits than its factorization.

2102403132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58400097 (or 58400092 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2102403132 is about 45851.9697723009. The cubic root of 2102403132 is about 1281.0674550895.

Adding to 2102403132 its reverse (2313042012), we get a palindrome (4415445144).

The spelling of 2102403132 in words is "two billion, one hundred two million, four hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 58400087 116800174 175200261 233600348 350400522 525600783 700801044 1051201566 2102403132