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1052021051 = 19181509601
BaseRepresentation
bin111110101101001…
…001000100111011
32201022120012120122
4332231021010323
54123304133201
6252220243455
735033013524
oct7655110473
92638505518
101052021051
1149a924a94
122543a058b
13139c52483
149da0d84b
1562559e1b
hex3eb4913b

1052021051 has 16 divisors (see below), whose sum is σ = 1117552800. Its totient is φ = 987552000.

The previous prime is 1052021041. The next prime is 1052021119. The reversal of 1052021051 is 1501202501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1052021051 is a prime.

It is a super-2 number, since 2×10520210512 = 2213496583494289202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052021041) 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 15 ways as a sum of consecutive naturals, for example, 1750151 + ... + 1750751.

It is an arithmetic number, because the mean of its divisors is an integer number (69847050).

Almost surely, 21052021051 is an apocalyptic number.

1052021051 is a deficient number, since it is larger than the sum of its proper divisors (65531749).

1052021051 is a wasteful number, since it uses less digits than its factorization.

1052021051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1052021051 is about 32434.8739938974. The cubic root of 1052021051 is about 1017.0480623089.

Adding to 1052021051 its reverse (1501202501), we get a palindrome (2553223552).

The spelling of 1052021051 in words is "one billion, fifty-two million, twenty-one thousand, fifty-one".

Divisors: 1 19 181 509 601 3439 9671 11419 92129 108781 305909 1750451 2066839 5812271 55369529 1052021051