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103012231203020 = 2255150611560151
BaseRepresentation
bin10111011011000001100111…
…011100101100100011001100
3111111201212120111202022000002
4113123001213130230203030
5102000223022141444040
61003031055443223432
730461250055666346
oct2733014734544314
9444655514668002
10103012231203020
112a906272a997a7
12b678563977b78
13456301c99b389
141b61b6630c296
15bd98b7c03a15
hex5db06772c8cc

103012231203020 has 12 divisors (see below), whose sum is σ = 216325685526384. Its totient is φ = 41204892481200.

The previous prime is 103012231203019. The next prime is 103012231203053. The reversal of 103012231203020 is 20302132210301.

It is a super-2 number, since 2×1030122312030202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5150611560151 = 103012231203020 / (1 + 0 + 3 + 0 + 1 + 2 + 2 + 3 + 1 + 2 + 0 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 103012231202983 and 103012231203001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575305780056 + ... + 2575305780095.

It is an arithmetic number, because the mean of its divisors is an integer number (18027140460532).

Almost surely, 2103012231203020 is an apocalyptic number.

103012231203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012231203020 is an abundant number, since it is smaller than the sum of its proper divisors (113313454323364).

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

103012231203020 is a wasteful number, since it uses less digits than its factorization.

103012231203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150611560160 (or 5150611560158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103012231203020 its reverse (20302132210301), we get a palindrome (123314363413321).

The spelling of 103012231203020 in words is "one hundred three trillion, twelve billion, two hundred thirty-one million, two hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 5150611560151 10301223120302 20602446240604 25753057800755 51506115601510 103012231203020