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2990663630 = 2517121314503
BaseRepresentation
bin1011001001000001…
…1110011111001110
321201102110110020122
42302100132133032
522111102214010
61212432144542
7134053135643
oct26220363716
97642413218
102990663630
1112a5173939
126b5698152
13388795a66
14205295dca
1512784c855
hexb241e7ce

2990663630 has 32 divisors (see below), whose sum is σ = 5704945344. Its totient is φ = 1124891136.

The previous prime is 2990663623. The next prime is 2990663659. The reversal of 2990663630 is 363660992.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 198959 + ... + 213461.

It is an arithmetic number, because the mean of its divisors is an integer number (178279542).

Almost surely, 22990663630 is an apocalyptic number.

2990663630 is a deficient number, since it is larger than the sum of its proper divisors (2714281714).

2990663630 is a wasteful number, since it uses less digits than its factorization.

2990663630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 2990663630 is about 54686.9603287658. The cubic root of 2990663630 is about 1440.7518627009.

The spelling of 2990663630 in words is "two billion, nine hundred ninety million, six hundred sixty-three thousand, six hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 1213 2426 6065 12130 14503 20621 29006 41242 72515 103105 145030 206210 246551 493102 1232755 2465510 17592139 35184278 87960695 175921390 299066363 598132726 1495331815 2990663630