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103210123112020 = 2258701735930437
BaseRepresentation
bin10111011101111001111010…
…101110011010111001010100
3111112102210100221021212022001
4113131321322232122321110
5102011443313004041040
61003302024225445044
730511454031320431
oct2735717256327124
9445383327255261
10103210123112020
112a9821928a5a31
12b6aa9914a0784
134578899328a12
141b6b57a438b88
15bdeaeb06359a
hex5dde7ab9ae54

103210123112020 has 24 divisors (see below), whose sum is σ = 216741544160904. Its totient is φ = 41283994839936.

The previous prime is 103210123111993. The next prime is 103210123112027. The reversal of 103210123112020 is 20211321012301.

It can be written as a sum of positive squares in 4 ways, for example, as 46830508531524 + 56379614580496 = 6843282^2 + 7508636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210123112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14438242 + ... + 20368678.

It is an arithmetic number, because the mean of its divisors is an integer number (9030897673371).

Almost surely, 2103210123112020 is an apocalyptic number.

103210123112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103210123112020 is an abundant number, since it is smaller than the sum of its proper divisors (113531421048884).

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

103210123112020 is a wasteful number, since it uses less digits than its factorization.

103210123112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800619 (or 6800617 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103210123112020 its reverse (20211321012301), we get a palindrome (123421444124321).

The spelling of 103210123112020 in words is "one hundred three trillion, two hundred ten billion, one hundred twenty-three million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 870173 1740346 3480692 4350865 5930437 8701730 11860874 17403460 23721748 29652185 59304370 118608740 5160506155601 10321012311202 20642024622404 25802530778005 51605061556010 103210123112020