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6988324879936 = 2649126732
BaseRepresentation
bin110010110110001100010…
…0111110011111001000000
3220202002002101011102112001
41211230120213303321000
51403444042132124221
622510220411113344
71320614130245251
oct145543047637100
926662071142461
106988324879936
112254806233894
1294a473a42854
133b8cc489326a
141a2345826b28
15c1bb0754391
hex65b189f3e40

6988324879936 has 63 divisors (see below), whose sum is σ = 13916436164913. Its totient is φ = 3481864673280.

The previous prime is 6988324879891. The next prime is 6988324879961. The reversal of 6988324879936 is 6399784238896.

The square root of 6988324879936 is 2643544.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2286990798400 + 4701334081536 = 1512280^2 + 2168256^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6988324879936.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10383840496 + ... + 10383841168.

Almost surely, 26988324879936 is an apocalyptic number.

6988324879936 is the 2643544-th square number.

It is an amenable number.

6988324879936 is a deficient number, since it is larger than the sum of its proper divisors (6928111284977).

6988324879936 is an frugal number, since it uses more digits than its factorization.

6988324879936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340 (or 1166 counting only the distinct ones).

The product of its digits is 6772211712, while the sum is 82.

The spelling of 6988324879936 in words is "six trillion, nine hundred eighty-eight billion, three hundred twenty-four million, eight hundred seventy-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 491 673 982 1346 1964 2692 3928 5384 7856 10768 15712 21536 31424 43072 241081 330443 452929 482162 660886 905858 964324 1321772 1811716 1928648 2643544 3623432 3857296 5287088 7246864 7714592 10574176 14493728 15429184 21148352 28987456 162247513 222388139 324495026 444776278 648990052 889552556 1297980104 1779105112 2595960208 3558210224 5191920416 7116420448 10383840832 14232840896 109192576249 218385152498 436770304996 873540609992 1747081219984 3494162439968 6988324879936