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20711153002 = 210995005289
BaseRepresentation
bin10011010010011110…
…110001110101101010
31222110101200120202211
4103102132301311222
5314404023344002
613303051515334
71332145616161
oct232236616552
958411616684
1020711153002
1188689a6881
124020158b4a
131c50b20627
1410069243d8
158133e2dd7
hex4d27b1d6a

20711153002 has 8 divisors (see below), whose sum is σ = 31351745700. Its totient is φ = 10260571104.

The previous prime is 20711152991. The next prime is 20711153009. The reversal of 20711153002 is 20035111702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19892563681 + 818589321 = 141041^2 + 28611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×207111530022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20711153009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47502427 + ... + 47502862.

Almost surely, 220711153002 is an apocalyptic number.

20711153002 is a deficient number, since it is larger than the sum of its proper divisors (10640592698).

20711153002 is a wasteful number, since it uses less digits than its factorization.

20711153002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95005400.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 20711153002 its reverse (20035111702), we get a palindrome (40746264704).

The spelling of 20711153002 in words is "twenty billion, seven hundred eleven million, one hundred fifty-three thousand, two".

Divisors: 1 2 109 218 95005289 190010578 10355576501 20711153002