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5120312152021 = 111014608741811
BaseRepresentation
bin100101010000010101001…
…1000110000111111010101
3200010111102100122200222121
41022200222120300333111
51132342344402331041
614520123335255541
71035634052115553
oct112405230607725
920114370580877
105120312152021
1116a456a7a6060
126a842621a5b1
132b1ac6b42671
14139b78346bd3
158d2cecd67d1
hex4a82a630fd5

5120312152021 has 8 divisors (see below), whose sum is σ = 5641099977888. Its totient is φ = 4608741810000.

The previous prime is 5120312152001. The next prime is 5120312152031. The reversal of 5120312152021 is 1202512130215.

It is a happy number.

5120312152021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5120312152021 - 215 = 5120312119253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120312152001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304369795 + ... + 2304372016.

It is an arithmetic number, because the mean of its divisors is an integer number (705137497236).

Almost surely, 25120312152021 is an apocalyptic number.

It is an amenable number.

5120312152021 is a deficient number, since it is larger than the sum of its proper divisors (520787825867).

5120312152021 is a wasteful number, since it uses less digits than its factorization.

5120312152021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608741923.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 5120312152021 its reverse (1202512130215), we get a palindrome (6322824282236).

The spelling of 5120312152021 in words is "five trillion, one hundred twenty billion, three hundred twelve million, one hundred fifty-two thousand, twenty-one".

Divisors: 1 11 101 1111 4608741811 50696159921 465482922911 5120312152021