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102323122040 = 2352558078051
BaseRepresentation
bin101111101001011101…
…1101110111101111000
3100210010002000011120202
41133102323232331320
53134024204401130
6115001231341332
710251443121026
oct1372273567570
9323102004522
10102323122040
113a43880a077
12179b7981848
139858bbc079
144d497cb716
1529dd177145
hex17d2eeef78

102323122040 has 16 divisors (see below), whose sum is σ = 230227024680. Its totient is φ = 40929248800.

The previous prime is 102323122021. The next prime is 102323122049. The reversal of 102323122040 is 40221323201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323122049) 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, 1279038986 + ... + 1279039065.

Almost surely, 2102323122040 is an apocalyptic number.

102323122040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323122040 is an abundant number, since it is smaller than the sum of its proper divisors (127903902640).

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

102323122040 is a wasteful number, since it uses less digits than its factorization.

102323122040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558078062 (or 2558078058 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102323122040 its reverse (40221323201), we get a palindrome (142544445241).

The spelling of 102323122040 in words is "one hundred two billion, three hundred twenty-three million, one hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 2558078051 5116156102 10232312204 12790390255 20464624408 25580780510 51161561020 102323122040