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203103230120 = 23572413836599
BaseRepresentation
bin1011110100100111100…
…1010101100010101000
3201102020121120002221022
42331021321111202220
511311423411330440
6233145423032012
720450041654100
oct2751171254250
9642217502838
10203103230120
117915452999a
1233442a3b608
13161ca20850b
149b8a2ba200
15543ab09cb5
hex2f49e558a8

203103230120 has 192 divisors, whose sum is σ = 546061824000. Its totient is φ = 67749319680.

The previous prime is 203103230107. The next prime is 203103230137. The reversal of 203103230120 is 21032301302.

203103230120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30774581 + ... + 30781179.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072000).

Almost surely, 2203103230120 is an apocalyptic number.

203103230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203103230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273030912000).

203103230120 is an abundant number, since it is smaller than the sum of its proper divisors (342958593880).

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

203103230120 is a wasteful number, since it uses less digits than its factorization.

203103230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203103230120 its reverse (21032301302), we get a palindrome (224135531422).

The spelling of 203103230120 in words is "two hundred three billion, one hundred three million, two hundred thirty thousand, one hundred twenty".