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2030521251 = 311137449131
BaseRepresentation
bin111100100000111…
…0100101110100011
312020111210011111210
41321001310232203
513124303140001
6533253041203
7101214101013
oct17101645643
95214704453
102030521251
119521a3740
12488026203
132648a2685
14153961c43
15bd3e0dd6
hex79074ba3

2030521251 has 16 divisors (see below), whose sum is σ = 2975050368. Its totient is φ = 1221633600.

The previous prime is 2030521243. The next prime is 2030521267. The reversal of 2030521251 is 1521250302.

2030521251 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2030521251 - 23 = 2030521243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2030521201) 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, 220045 + ... + 229086.

It is an arithmetic number, because the mean of its divisors is an integer number (185940648).

Almost surely, 22030521251 is an apocalyptic number.

2030521251 is a deficient number, since it is larger than the sum of its proper divisors (944529117).

2030521251 is a wasteful number, since it uses less digits than its factorization.

2030521251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449282.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2030521251 is about 45061.3054737654. The cubic root of 2030521251 is about 1266.2977825255.

Adding to 2030521251 its reverse (1521250302), we get a palindrome (3551771553).

The spelling of 2030521251 in words is "two billion, thirty million, five hundred twenty-one thousand, two hundred fifty-one".

Divisors: 1 3 11 33 137 411 1507 4521 449131 1347393 4940441 14821323 61530947 184592841 676840417 2030521251