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20032120030313 = 611693400148481
BaseRepresentation
bin1001000111000000101110…
…11001100000010001101001
32121221001101212222002220002
410203200113121200101221
510111201240211432223
6110334343501512345
74135162415541056
oct443402731402151
977831355862802
1020032120030313
116423635580236
1222b64385726b5
13b2403695ab31
144d37ba08802d
1524b134b81e28
hex123817660469

20032120030313 has 16 divisors (see below), whose sum is σ = 20378053918992. Its totient is φ = 19686758400000.

The previous prime is 20032120030301. The next prime is 20032120030333. The reversal of 20032120030313 is 31303002123002.

It can be written as a sum of positive squares in 8 ways, for example, as 1774684901929 + 18257435128384 = 1332173^2 + 4272872^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032120030313 - 26 = 20032120030249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032120030333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413171033 + ... + 413219513.

It is an arithmetic number, because the mean of its divisors is an integer number (1273628369937).

Almost surely, 220032120030313 is an apocalyptic number.

It is an amenable number.

20032120030313 is a deficient number, since it is larger than the sum of its proper divisors (345933888679).

20032120030313 is a wasteful number, since it uses less digits than its factorization.

20032120030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54236.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20032120030313 its reverse (31303002123002), we get a palindrome (51335122153315).

The spelling of 20032120030313 in words is "twenty trillion, thirty-two billion, one hundred twenty million, thirty thousand, three hundred thirteen".

Divisors: 1 61 1693 4001 48481 103273 244061 2957341 6773693 82078333 193972481 413195273 5006778313 11832321341 328395410333 20032120030313