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2730137028 = 223415549059
BaseRepresentation
bin1010001010111010…
…1001010111000100
321001021020022221020
42202232221113010
521042403341103
61130524151140
7124440532113
oct24256512704
97037208836
102730137028
1111811003a3
126423984b0
13346808bc8
141bc839c7a
1510ea39753
hexa2ba95c4

2730137028 has 24 divisors (see below), whose sum is σ = 6525694560. Its totient is φ = 887849280.

The previous prime is 2730137023. The next prime is 2730137029. The reversal of 2730137028 is 8207310372.

It is a self number, because there is not a number n which added to its sum of digits gives 2730137028.

It is not an unprimeable number, because it can be changed into a prime (2730137021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774038 + ... + 2775021.

It is an arithmetic number, because the mean of its divisors is an integer number (271903940).

Almost surely, 22730137028 is an apocalyptic number.

It is an amenable number.

2730137028 is an abundant number, since it is smaller than the sum of its proper divisors (3795557532).

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

2730137028 is a wasteful number, since it uses less digits than its factorization.

2730137028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549107 (or 5549105 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2730137028 is about 52250.7131817356. The cubic root of 2730137028 is about 1397.6383701582.

The spelling of 2730137028 in words is "two billion, seven hundred thirty million, one hundred thirty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 5549059 11098118 16647177 22196236 33294354 66588708 227511419 455022838 682534257 910045676 1365068514 2730137028