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102444142044 = 22343198535159
BaseRepresentation
bin101111101101000100…
…1011000110111011100
3100210102111201121211010
41133122021120313130
53134301200021134
6115021233255220
710254442561026
oct1373211306734
9323374647733
10102444142044
113a4a0058202
1217a30404510
139877cb233a
144d5b8d1016
1529e8acece9
hex17da258ddc

102444142044 has 24 divisors (see below), whose sum is σ = 244595317120. Its totient is φ = 33353906544.

The previous prime is 102444142043. The next prime is 102444142049. The reversal of 102444142044 is 440241444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102444142043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99267064 + ... + 99268095.

Almost surely, 2102444142044 is an apocalyptic number.

It is an amenable number.

102444142044 is an abundant number, since it is smaller than the sum of its proper divisors (142151175076).

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

102444142044 is a wasteful number, since it uses less digits than its factorization.

102444142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198535209 (or 198535207 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 102444142044 its reverse (440241444201), we get a palindrome (542685586245).

The spelling of 102444142044 in words is "one hundred two billion, four hundred forty-four million, one hundred forty-two thousand, forty-four".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 198535159 397070318 595605477 794140636 1191210954 2382421908 8537011837 17074023674 25611035511 34148047348 51222071022 102444142044