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8055500000 = 255616111
BaseRepresentation
bin1111000000010010…
…10010110011100000
3202210101211210120212
413200021102303200
5112444202000000
63411201153252
7403423422512
oct74011226340
922711753525
108055500000
113464135419
12168992b828
139b4ba5a62
14565bd3bb2
1532230ec35
hex1e0252ce0

8055500000 has 84 divisors (see below), whose sum is σ = 19825058736. Its totient is φ = 3222000000.

The previous prime is 8055499979. The next prime is 8055500021. The reversal of 8055500000 is 55508.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8055499979) and next prime (8055500021).

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 491945 + ... + 508055.

It is an arithmetic number, because the mean of its divisors is an integer number (236012604).

Almost surely, 28055500000 is an apocalyptic number.

8055500000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8055500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9912529368).

8055500000 is an abundant number, since it is smaller than the sum of its proper divisors (11769558736).

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

8055500000 is an frugal number, since it uses more digits than its factorization.

8055500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151 (or 16118 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 8055500000 is about 89752.4372928112. The cubic root of 8055500000 is about 2004.6143457193.

Adding to 8055500000 its reverse (55508), we get a palindrome (8055555508).

The spelling of 8055500000 in words is "eight billion, fifty-five million, five hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 15625 16111 20000 25000 31250 32222 50000 62500 64444 80555 100000 125000 128888 161110 250000 257776 322220 402775 500000 515552 644440 805550 1288880 1611100 2013875 2577760 3222200 4027750 6444400 8055500 10069375 12888800 16111000 20138750 32222000 40277500 50346875 64444000 80555000 100693750 161110000 201387500 251734375 322220000 402775000 503468750 805550000 1006937500 1611100000 2013875000 4027750000 8055500000