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2990540729 = 11596137517
BaseRepresentation
bin1011001001000000…
…0000011110111001
321201102020012122202
42302100000132321
522111034300404
61212425355545
7134052114431
oct26220003671
97642205582
102990540729
1112a509a570
126b5638bb5
13388751b37
142052632c1
1512782621e
hexb24007b9

2990540729 has 16 divisors (see below), whose sum is σ = 3323557440. Its totient is φ = 2667879360.

The previous prime is 2990540719. The next prime is 2990540743. The reversal of 2990540729 is 9270450992.

It is a cyclic number.

It is not a de Polignac number, because 2990540729 - 216 = 2990475193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2990540719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394079 + ... + 401595.

It is an arithmetic number, because the mean of its divisors is an integer number (207722340).

Almost surely, 22990540729 is an apocalyptic number.

It is an amenable number.

2990540729 is a deficient number, since it is larger than the sum of its proper divisors (333016711).

2990540729 is a wasteful number, since it uses less digits than its factorization.

2990540729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2990540729 is about 54685.8366398467. The cubic root of 2990540729 is about 1440.7321265830.

The spelling of 2990540729 in words is "two billion, nine hundred ninety million, five hundred forty thousand, seven hundred twenty-nine".

Divisors: 1 11 59 613 649 6743 7517 36167 82687 397837 443503 4607921 4878533 50687131 271867339 2990540729