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2030303121 = 371119462589
BaseRepresentation
bin111100100000011…
…1111011110010001
312020111101002021220
41321000333132101
513124224144441
6533244235253
7101212202040
oct17100773621
95214332256
102030303121
11952064870
12487b3bb29
132648272c2
14153906557
15bd39b466
hex7903f791

2030303121 has 32 divisors (see below), whose sum is σ = 3552691200. Its totient is φ = 999190080.

The previous prime is 2030303117. The next prime is 2030303123. The reversal of 2030303121 is 1213030302.

It is not a de Polignac number, because 2030303121 - 22 = 2030303117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2030303121.

It is not an unprimeable number, because it can be changed into a prime (2030303123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226906 + ... + 235683.

It is an arithmetic number, because the mean of its divisors is an integer number (111021600).

Almost surely, 22030303121 is an apocalyptic number.

2030303121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2030303121 is a deficient number, since it is larger than the sum of its proper divisors (1522388079).

2030303121 is a wasteful number, since it uses less digits than its factorization.

2030303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462629.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2030303121 is about 45058.8850394681. The cubic root of 2030303121 is about 1266.2524366277.

Adding to 2030303121 its reverse (1213030302), we get a palindrome (3243333423).

The spelling of 2030303121 in words is "two billion, thirty million, three hundred three thousand, one hundred twenty-one".

Divisors: 1 3 7 11 19 21 33 57 77 133 209 231 399 627 1463 4389 462589 1387767 3238123 5088479 8789191 9714369 15265437 26367573 35619353 61524337 96681101 106858059 184573011 290043303 676767707 2030303121