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2689500029 = 3083987211
BaseRepresentation
bin1010000001001110…
…1000001101111101
320221102202202110012
42200103220031331
521002003000104
61122513153005
7123435241646
oct24023501575
96842682405
102689500029
1111601751a7
1263085b765
1333b27b448
141b729c6cd
1510b1add6e
hexa04e837d

2689500029 has 4 divisors (see below), whose sum is σ = 2689618080. Its totient is φ = 2689381980.

The previous prime is 2689499971. The next prime is 2689500041. The reversal of 2689500029 is 9200059862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2689500029 - 220 = 2688451453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689400029) 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, 12767 + ... + 74444.

It is an arithmetic number, because the mean of its divisors is an integer number (672404520).

Almost surely, 22689500029 is an apocalyptic number.

It is an amenable number.

2689500029 is a deficient number, since it is larger than the sum of its proper divisors (118051).

2689500029 is an equidigital number, since it uses as much as digits as its factorization.

2689500029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118050.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2689500029 is about 51860.3897883539. The cubic root of 2689500029 is about 1390.6692477939.

The spelling of 2689500029 in words is "two billion, six hundred eighty-nine million, five hundred thousand, twenty-nine".

Divisors: 1 30839 87211 2689500029