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3031621053 = 323291515053
BaseRepresentation
bin1011010010110010…
…1101110110111101
321211021112022021020
42310230231312331
522202043333203
61220454054353
7135061232226
oct26454556675
97737468236
103031621053
1113162a884a
1270734a3b9
13394106316
1420a8b824d
1512b23d153
hexb4b2ddbd

3031621053 has 16 divisors (see below), whose sum is σ = 4363355520. Its totient is φ = 1866544064.

The previous prime is 3031621051. The next prime is 3031621069. The reversal of 3031621053 is 3501261303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3031621053 - 21 = 3031621051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031621051) 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, 755526 + ... + 759527.

It is an arithmetic number, because the mean of its divisors is an integer number (272709720).

Almost surely, 23031621053 is an apocalyptic number.

It is an amenable number.

3031621053 is a deficient number, since it is larger than the sum of its proper divisors (1331734467).

3031621053 is a wasteful number, since it uses less digits than its factorization.

3031621053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515108.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3031621053 is about 55060.1584905093. The cubic root of 3031621053 is about 1447.2991424582.

Adding to 3031621053 its reverse (3501261303), we get a palindrome (6532882356).

The spelling of 3031621053 in words is "three billion, thirty-one million, six hundred twenty-one thousand, fifty-three".

Divisors: 1 3 23 29 69 87 667 2001 1515053 4545159 34846219 43936537 104538657 131809611 1010540351 3031621053