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1206550045 = 5895126959
BaseRepresentation
bin100011111101010…
…0111111000011101
310010002100002111201
41013322213320131
54432334100140
6315420315501
741620335421
oct10772477035
93102302451
101206550045
1156a07a9a8
122980a2b91
13162c7894c
14b6356b81
1570dd149a
hex47ea7e1d

1206550045 has 8 divisors (see below), whose sum is σ = 1448075520. Its totient is φ = 965096400.

The previous prime is 1206550043. The next prime is 1206550139. The reversal of 1206550045 is 5400556021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1206550045 - 21 = 1206550043 is a prime.

It is a super-2 number, since 2×12065500452 = 2911526022179004050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1206549995 and 1206550022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206550043) 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 7 ways as a sum of consecutive naturals, for example, 31276 + ... + 58234.

It is an arithmetic number, because the mean of its divisors is an integer number (181009440).

Almost surely, 21206550045 is an apocalyptic number.

It is an amenable number.

1206550045 is a deficient number, since it is larger than the sum of its proper divisors (241525475).

1206550045 is an equidigital number, since it uses as much as digits as its factorization.

1206550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35915.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1206550045 is about 34735.4292473837. The cubic root of 1206550045 is about 1064.5885234749.

The spelling of 1206550045 in words is "one billion, two hundred six million, five hundred fifty thousand, forty-five".

Divisors: 1 5 8951 26959 44755 134795 241310009 1206550045