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2063805121 = 7294829303
BaseRepresentation
bin111101100000011…
…0010101011000001
312022211102011101201
41323000302223001
513211313230441
6540442301201
7102100024360
oct17300625301
95284364351
102063805121
11969a67374
124971b7801
1326b757281
141581477d7
15c12b7c31
hex7b032ac1

2063805121 has 4 divisors (see below), whose sum is σ = 2358634432. Its totient is φ = 1768975812.

The previous prime is 2063805089. The next prime is 2063805181. The reversal of 2063805121 is 1215083602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2063805121 - 25 = 2063805089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2063805121.

It is not an unprimeable number, because it can be changed into a prime (2063805181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147414645 + ... + 147414658.

It is an arithmetic number, because the mean of its divisors is an integer number (589658608).

Almost surely, 22063805121 is an apocalyptic number.

It is an amenable number.

2063805121 is a deficient number, since it is larger than the sum of its proper divisors (294829311).

2063805121 is an equidigital number, since it uses as much as digits as its factorization.

2063805121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294829310.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2063805121 is about 45429.1219483714. The cubic root of 2063805121 is about 1273.1792791629.

Adding to 2063805121 its reverse (1215083602), we get a palindrome (3278888723).

The spelling of 2063805121 in words is "two billion, sixty-three million, eight hundred five thousand, one hundred twenty-one".

Divisors: 1 7 294829303 2063805121