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1020051132 = 22385004261
BaseRepresentation
bin111100110011001…
…011111010111100
32122002101222002120
4330303023322330
54042113114012
6245115122540
734164202002
oct7463137274
92562358076
101020051132
11483879571
12245743450
1313343a969
149968aa72
155e84258c
hex3cccbebc

1020051132 has 12 divisors (see below), whose sum is σ = 2380119336. Its totient is φ = 340017040.

The previous prime is 1020051061. The next prime is 1020051139. The reversal of 1020051132 is 2311500201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020051139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42502119 + ... + 42502142.

It is an arithmetic number, because the mean of its divisors is an integer number (198343278).

Almost surely, 21020051132 is an apocalyptic number.

1020051132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020051132 is an abundant number, since it is smaller than the sum of its proper divisors (1360068204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020051132 is a wasteful number, since it uses less digits than its factorization.

1020051132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85004268 (or 85004266 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1020051132 is about 31938.2393378220. The cubic root of 1020051132 is about 1006.6395297472.

Adding to 1020051132 its reverse (2311500201), we get a palindrome (3331551333).

The spelling of 1020051132 in words is "one billion, twenty million, fifty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 85004261 170008522 255012783 340017044 510025566 1020051132