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2153032531 = 131575232017
BaseRepresentation
bin1000000001010100…
…1010101101010011
312120001022101101121
42000111022231103
513402134020111
6553350543111
7104232321526
oct20025125523
95501271347
102153032531
11a05370231
12501067a97
13284098660
14165d32bbd
15c9040871
hex8054ab53

2153032531 has 16 divisors (see below), whose sum is σ = 2339039584. Its totient is φ = 1970002944.

The previous prime is 2153032517. The next prime is 2153032561. The reversal of 2153032531 is 1352303512.

It is not a de Polignac number, because 2153032531 - 227 = 2018814803 is a prime.

It is a super-2 number, since 2×21530325312 = 9271098159088531922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153032496 and 2153032505.

It is not an unprimeable number, because it can be changed into a prime (2153032561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066435 + ... + 1068451.

It is an arithmetic number, because the mean of its divisors is an integer number (146189974).

Almost surely, 22153032531 is an apocalyptic number.

2153032531 is a deficient number, since it is larger than the sum of its proper divisors (186007053).

2153032531 is a wasteful number, since it uses less digits than its factorization.

2153032531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2153032531 is about 46400.7815774691. The cubic root of 2153032531 is about 1291.2694134559.

The spelling of 2153032531 in words is "two billion, one hundred fifty-three million, thirty-two thousand, five hundred thirty-one".

Divisors: 1 13 157 523 2017 2041 6799 26221 82111 316669 1054891 1067443 4116697 13713583 165617887 2153032531