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6996628072996 = 2213225572
BaseRepresentation
bin110010111010000011110…
…0001111110101000100100
3220202212112001002100002221
41211310013201332220210
51404113043241313441
622514112341242124
71321326652234222
oct145640741765044
926685461070087
106996628072996
112258287166711
1294bbb0703344
133b9a18b81653
141a28d2495b12
15c1ee968e8d1
hex65d0787ea24

6996628072996 has 9 divisors (see below), whose sum is σ = 12244108385649. Its totient is φ = 3498311391384.

The previous prime is 6996628072939. The next prime is 6996628073003. The reversal of 6996628072996 is 6992708266996.

The square root of 6996628072996 is 2645114.

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., 47415062500 + 6949213010496 = 217750^2 + 2636136^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4628950 + ... + 5951506.

Almost surely, 26996628072996 is an apocalyptic number.

6996628072996 is the 2645114-th square number.

It is an amenable number.

6996628072996 is a deficient number, since it is larger than the sum of its proper divisors (5247480312653).

6996628072996 is an frugal number, since it uses more digits than its factorization.

6996628072996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645118 (or 1322559 counting only the distinct ones).

The product of its (nonzero) digits is 1904684544, while the sum is 79.

The spelling of 6996628072996 in words is "six trillion, nine hundred ninety-six billion, six hundred twenty-eight million, seventy-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 1322557 2645114 5290228 1749157018249 3498314036498 6996628072996