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102403322020 = 22531223163987
BaseRepresentation
bin101111101011110110…
…1101011000010100100
3100210022122220202021101
41133113231223002210
53134210222301040
6115013214325444
710253435606146
oct1372755530244
9323278822241
10102403322020
113a47a00754a
1217a1a7b9884
13986c6bc48c
144d56306c96
1529e521a09a
hex17d7b6b0a4

102403322020 has 24 divisors (see below), whose sum is σ = 215055175104. Its totient is φ = 40959767136.

The previous prime is 102403322017. The next prime is 102403322053. The reversal of 102403322020 is 20223304201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542467 + ... + 706453.

It is an arithmetic number, because the mean of its divisors is an integer number (8960632296).

Almost surely, 2102403322020 is an apocalyptic number.

102403322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102403322020 is an abundant number, since it is smaller than the sum of its proper divisors (112651853084).

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

102403322020 is a wasteful number, since it uses less digits than its factorization.

102403322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195219 (or 195217 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 102403322020 its reverse (20223304201), we get a palindrome (122626626221).

The spelling of 102403322020 in words is "one hundred two billion, four hundred three million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 31223 62446 124892 156115 163987 312230 327974 624460 655948 819935 1639870 3279740 5120166101 10240332202 20480664404 25600830505 51201661010 102403322020