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1206130550 = 25243954949
BaseRepresentation
bin100011111100100…
…0001011101110110
310010001112210001212
41013321001131312
54432232134200
6315403321422
741613640412
oct10771013566
93101483055
101206130550
11569913809
12297b20272
13162b5ca21
14b6287d42
1570d4c035
hex47e41776

1206130550 has 24 divisors (see below), whose sum is σ = 2248554000. Its totient is φ = 481344480.

The previous prime is 1206130529. The next prime is 1206130553. The reversal of 1206130550 is 550316021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206130553) 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 11 ways as a sum of consecutive naturals, for example, 5525 + ... + 49424.

It is an arithmetic number, because the mean of its divisors is an integer number (93689750).

Almost surely, 21206130550 is an apocalyptic number.

1206130550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206130550 is a deficient number, since it is larger than the sum of its proper divisors (1042423450).

1206130550 is a wasteful number, since it uses less digits than its factorization.

1206130550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55400 (or 55395 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1206130550 is about 34729.3902912216. The cubic root of 1206130550 is about 1064.4651299664.

Adding to 1206130550 its reverse (550316021), we get a palindrome (1756446571).

The spelling of 1206130550 in words is "one billion, two hundred six million, one hundred thirty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 439 878 2195 4390 10975 21950 54949 109898 274745 549490 1373725 2747450 24122611 48245222 120613055 241226110 603065275 1206130550