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990799711 = 11312905571
BaseRepresentation
bin111011000011100…
…110011101011111
32120001100211200121
4323003212131133
54012121042321
6242152135411
733360441616
oct7303463537
92501324617
10990799711
1146930a540
12237997567
1312a368625
149583487d
155beb5441
hex3b0e675f

990799711 has 8 divisors (see below), whose sum is σ = 1115739648. Its totient is φ = 871671000.

The previous prime is 990799699. The next prime is 990799721. The reversal of 990799711 is 117997099.

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

It is a cyclic number.

It is not a de Polignac number, because 990799711 - 215 = 990766943 is a prime.

It is a super-3 number, since 3×9907997113 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990799721) 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, 1452445 + ... + 1453126.

It is an arithmetic number, because the mean of its divisors is an integer number (139467456).

Almost surely, 2990799711 is an apocalyptic number.

990799711 is a deficient number, since it is larger than the sum of its proper divisors (124939937).

990799711 is a wasteful number, since it uses less digits than its factorization.

990799711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905613.

The product of its (nonzero) digits is 321489, while the sum is 52.

The square root of 990799711 is about 31476.9711217582. The cubic root of 990799711 is about 996.9237835962.

The spelling of 990799711 in words is "nine hundred ninety million, seven hundred ninety-nine thousand, seven hundred eleven".

Divisors: 1 11 31 341 2905571 31961281 90072701 990799711