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8711993953 = 133161354391
BaseRepresentation
bin10000001110100011…
…00111101001100001
3211111011011010222201
420013101213221201
5120320232301303
64000252133201
7425614504165
oct100721475141
924434133881
108711993953
11377076a003
121831767201
13a8abc1810
145c9084ca5
1535ec8b81d
hex207467a61

8711993953 has 16 divisors (see below), whose sum is σ = 9843592192. Its totient is φ = 7654824000.

The previous prime is 8711993951. The next prime is 8711993971. The reversal of 8711993953 is 3593991178.

It is a cyclic number.

It is not a de Polignac number, because 8711993953 - 21 = 8711993951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8711993894 and 8711993903.

It is not an unprimeable number, because it can be changed into a prime (8711993951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152613 + ... + 201778.

It is an arithmetic number, because the mean of its divisors is an integer number (615224512).

Almost surely, 28711993953 is an apocalyptic number.

It is an amenable number.

8711993953 is a deficient number, since it is larger than the sum of its proper divisors (1131598239).

8711993953 is a wasteful number, since it uses less digits than its factorization.

8711993953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354496.

The product of its digits is 1837080, while the sum is 55.

The square root of 8711993953 is about 93338.0627236285. The cubic root of 8711993953 is about 2057.6548195473.

The spelling of 8711993953 in words is "eight billion, seven hundred eleven million, nine hundred ninety-three thousand, nine hundred fifty-three".

Divisors: 1 13 31 61 403 793 1891 24583 354391 4607083 10986121 21617851 142819573 281032063 670153381 8711993953