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80000000800 = 2552175882353
BaseRepresentation
bin100101010000001011…
…1110010001100100000
321122111100010010002121
41022200113302030200
52302320000011200
6100430153354024
75531321533636
oct1124027621440
9248440103077
1080000000800
1130a22a07745
1213607a08914
13770c1352a5
143c2cb79356
1521334bde1a
hex12a05f2320

80000000800 has 72 divisors (see below), whose sum is σ = 206788272516. Its totient is φ = 30117642240.

The previous prime is 80000000791. The next prime is 80000000827. The reversal of 80000000800 is 800000008.

It can be written as a sum of positive squares in 6 ways, for example, as 52098975504 + 27901025296 = 228252^2 + 167036^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2927577 + ... + 2954776.

Almost surely, 280000000800 is an apocalyptic number.

80000000800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80000000800 is an abundant number, since it is smaller than the sum of its proper divisors (126788271716).

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

80000000800 is a wasteful number, since it uses less digits than its factorization.

80000000800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882390 (or 5882377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 80000000800 its reverse (800000008), we get a palindrome (80800000808).

80000000800 divided by its reverse (800000008) gives a square (100 = 102).

It can be divided in two parts, 80000000 and 800, that multiplied together give a cube (64000000000 = 40003).

The spelling of 80000000800 in words is "eighty billion, eight hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1360 1700 2720 3400 6800 13600 5882353 11764706 23529412 29411765 47058824 58823530 94117648 100000001 117647060 147058825 188235296 200000002 235294120 294117650 400000004 470588240 500000005 588235300 800000008 941176480 1000000010 1176470600 1600000016 2000000020 2352941200 2500000025 3200000032 4000000040 4705882400 5000000050 8000000080 10000000100 16000000160 20000000200 40000000400 80000000800