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5052020121 = 323130795881
BaseRepresentation
bin1001011010001111…
…11011010110011001
3111001002021012202100
410231013323112121
540321304120441
62153150154013
7236123314431
oct45507732631
914032235670
105052020121
112162808545
12b8bab2909
13626873625
1435cd632c1
151e87cecb6
hex12d1fb599

5052020121 has 24 divisors (see below), whose sum is σ = 7536488960. Its totient is φ = 3257755200.

The previous prime is 5052020107. The next prime is 5052020131. The reversal of 5052020121 is 1210202505.

5052020121 is a `hidden beast` number, since 5 + 0 + 520 + 20 + 121 = 666.

It is not a de Polignac number, because 5052020121 - 210 = 5052019097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5052020094 and 5052020103.

It is not an unprimeable number, because it can be changed into a prime (5052020131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 856101 + ... + 861981.

Almost surely, 25052020121 is an apocalyptic number.

It is an amenable number.

5052020121 is a deficient number, since it is larger than the sum of its proper divisors (2484468839).

5052020121 is a wasteful number, since it uses less digits than its factorization.

5052020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8994 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5052020121 is about 71077.5641183630. The cubic root of 5052020121 is about 1715.8857090898.

Adding to 5052020121 its reverse (1210202505), we get a palindrome (6262222626).

The spelling of 5052020121 in words is "five billion, fifty-two million, twenty thousand, one hundred twenty-one".

Divisors: 1 3 9 31 93 279 3079 5881 9237 17643 27711 52929 95449 182311 286347 546933 859041 1640799 18107599 54322797 162968391 561335569 1684006707 5052020121