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2521253133 = 32740019891
BaseRepresentation
bin1001011001000111…
…0100010100001101
320111201011221002200
42112101310110031
520130420100013
61054103112113
7116323204140
oct22621642415
96451157080
102521253133
1110841aa883
125a4442639
13312461079
1419cbc4057
15eb527e73
hex9647450d

2521253133 has 12 divisors (see below), whose sum is σ = 4162068768. Its totient is φ = 1440716040.

The previous prime is 2521253113. The next prime is 2521253171. The reversal of 2521253133 is 3313521252.

It is a happy number.

2521253133 is a `hidden beast` number, since 2 + 521 + 2 + 5 + 3 + 133 = 666.

It is not a de Polignac number, because 2521253133 - 213 = 2521244941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521253097 and 2521253106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521253113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20009883 + ... + 20010008.

It is an arithmetic number, because the mean of its divisors is an integer number (346839064).

Almost surely, 22521253133 is an apocalyptic number.

It is an amenable number.

2521253133 is a deficient number, since it is larger than the sum of its proper divisors (1640815635).

2521253133 is a wasteful number, since it uses less digits than its factorization.

2521253133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40019904 (or 40019901 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 2521253133 is about 50212.0815441862. The cubic root of 2521253133 is about 1361.0439528052.

Adding to 2521253133 its reverse (3313521252), we get a palindrome (5834774385).

The spelling of 2521253133 in words is "two billion, five hundred twenty-one million, two hundred fifty-three thousand, one hundred thirty-three".

Divisors: 1 3 7 9 21 63 40019891 120059673 280139237 360179019 840417711 2521253133