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2050133531 = 9112250421
BaseRepresentation
bin111101000110010…
…1000111000011011
312021212200120111112
41322030220320123
513144313233111
6535233250535
7101542563455
oct17214507033
95255616445
102050133531
11962279736
12492703a4b
1326897b484
141563c92d5
15beeb6e8b
hex7a328e1b

2050133531 has 4 divisors (see below), whose sum is σ = 2052384864. Its totient is φ = 2047882200.

The previous prime is 2050133521. The next prime is 2050133539. The reversal of 2050133531 is 1353310502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2050133531 - 230 = 976391707 is a prime.

It is a super-2 number, since 2×20501335312 = 8406094989861055922, 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 = 2050133497 and 2050133506.

It is not an unprimeable number, because it can be changed into a prime (2050133539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124300 + ... + 1126121.

It is an arithmetic number, because the mean of its divisors is an integer number (513096216).

Almost surely, 22050133531 is an apocalyptic number.

2050133531 is a deficient number, since it is larger than the sum of its proper divisors (2251333).

2050133531 is an equidigital number, since it uses as much as digits as its factorization.

2050133531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251332.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 2050133531 is about 45278.4002698859. The cubic root of 2050133531 is about 1270.3616741219.

The spelling of 2050133531 in words is "two billion, fifty million, one hundred thirty-three thousand, five hundred thirty-one".

Divisors: 1 911 2250421 2050133531