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8028028828 = 2247337126713
BaseRepresentation
bin1110111101000000…
…11111111110011100
3202201111011010020001
413132200133332130
5112420133410303
63404340304044
7402641055601
oct73640377634
922644133201
108028028828
11344a681976
1216806a2024
139ac2a7b21
145622c26a8
1531ebd531d
hex1de81ff9c

8028028828 has 24 divisors (see below), whose sum is σ = 14390655552. Its totient is φ = 3916921344.

The previous prime is 8028028823. The next prime is 8028028831. The reversal of 8028028828 is 8288208208.

8028028828 is a nontrivial binomial coefficient, being equal to C(126713, 2).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028028823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 126712.

It is an arithmetic number, because the mean of its divisors is an integer number (599610648).

Almost surely, 28028028828 is an apocalyptic number.

8028028828 is the 126712-nd triangular number.

8028028828 is the 42238-th centered nonagonal number.

It is an amenable number.

8028028828 is a deficient number, since it is larger than the sum of its proper divisors (6362626724).

8028028828 is a wasteful number, since it uses less digits than its factorization.

8028028828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127101 (or 127099 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 46.

The square root of 8028028828 is about 89599.2680104029. The cubic root of 8028028828 is about 2002.3330131333. Note that the first 3 decimals are identical.

The spelling of 8028028828 in words is "eight billion, twenty-eight million, twenty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 47 94 188 337 674 1348 15839 31678 63356 126713 253426 506852 5955511 11911022 23822044 42702281 85404562 170809124 2007007207 4014014414 8028028828