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2053811481 = 33731835399
BaseRepresentation
bin111101001101010…
…1010110100011001
312022010121102200220
41322122222310121
513201233431411
6535444150253
7101616052401
oct17232526431
95263542626
102053811481
11964360a67
12493998389
13269668587
14156aa5801
15c0491b06
hex7a6aad19

2053811481 has 8 divisors (see below), whose sum is σ = 2745758400. Its totient is φ = 1365536112.

The previous prime is 2053811477. The next prime is 2053811489. The reversal of 2053811481 is 1841183502.

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

It is not a de Polignac number, because 2053811481 - 22 = 2053811477 is a prime.

It is a super-2 number, since 2×20538114812 = 8436283198974826722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2053811489) 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 7 ways as a sum of consecutive naturals, for example, 916581 + ... + 918818.

It is an arithmetic number, because the mean of its divisors is an integer number (343219800).

Almost surely, 22053811481 is an apocalyptic number.

It is an amenable number.

2053811481 is a deficient number, since it is larger than the sum of its proper divisors (691946919).

2053811481 is a wasteful number, since it uses less digits than its factorization.

2053811481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835775.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 2053811481 is about 45318.9969107879. The cubic root of 2053811481 is about 1271.1208987237.

Adding to 2053811481 its reverse (1841183502), we get a palindrome (3894994983).

The spelling of 2053811481 in words is "two billion, fifty-three million, eight hundred eleven thousand, four hundred eighty-one".

Divisors: 1 3 373 1119 1835399 5506197 684603827 2053811481