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6988055001 = 343303717837
BaseRepresentation
bin1101000001000010…
…10100000111011001
3200001000020222022220
412200201110013121
5103302420230001
63113230134253
7335112326124
oct64041240731
920030228286
106988055001
112a66636174
121430351389
138749b2cb5
144a412b3bb
152ad759c36
hex1a08541d9

6988055001 has 16 divisors (see below), whose sum is σ = 9537764544. Its totient is φ = 4548608064.

The previous prime is 6988054993. The next prime is 6988055021. The reversal of 6988055001 is 1005508896.

It is not a de Polignac number, because 6988055001 - 23 = 6988054993 is a prime.

It is a super-3 number, since 3×69880550013 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6988055021) 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, 382855 + ... + 400691.

It is an arithmetic number, because the mean of its divisors is an integer number (596110284).

Almost surely, 26988055001 is an apocalyptic number.

It is an amenable number.

6988055001 is a deficient number, since it is larger than the sum of its proper divisors (2549709543).

6988055001 is a wasteful number, since it uses less digits than its factorization.

6988055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20920.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 6988055001 is about 83594.5871513222. The cubic root of 6988055001 is about 1911.8424698831.

The spelling of 6988055001 in words is "six billion, nine hundred eighty-eight million, fifty-five thousand, one".

Divisors: 1 3 43 129 3037 9111 17837 53511 130591 391773 766991 2300973 54170969 162512907 2329351667 6988055001