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6988230384 = 243228763659
BaseRepresentation
bin1101000001000011…
…11110111011110000
3200001000120212220120
412200201332323300
5103302441333014
63113234010240
7335113656342
oct64041767360
920030525816
106988230384
112a66745a13
121430416980
13874a44a85
144a4175292
152ad791ba9
hex1a087eef0

6988230384 has 40 divisors (see below), whose sum is σ = 18061105920. Its totient is φ = 2328355008.

The previous prime is 6988230313. The next prime is 6988230463. The reversal of 6988230384 is 4830328896.

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 7 ways as a sum of consecutive naturals, for example, 77947 + ... + 141605.

It is an arithmetic number, because the mean of its divisors is an integer number (451527648).

Almost surely, 26988230384 is an apocalyptic number.

It is an amenable number.

6988230384 is an abundant number, since it is smaller than the sum of its proper divisors (11072875536).

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

6988230384 is a wasteful number, since it uses less digits than its factorization.

6988230384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65957 (or 65951 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 6988230384 is about 83595.6361540481. The cubic root of 6988230384 is about 1911.8584639312.

The spelling of 6988230384 in words is "six billion, nine hundred eighty-eight million, two hundred thirty thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2287 4574 6861 9148 13722 18296 27444 36592 54888 63659 109776 127318 190977 254636 381954 509272 763908 1018544 1527816 3055632 145588133 291176266 436764399 582352532 873528798 1164705064 1747057596 2329410128 3494115192 6988230384