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20255030012011 = 294431576635013
BaseRepresentation
bin1001001101011111111011…
…10111100110100001101011
32122201100202212102110002011
410212233331313212201223
510123324300140341021
6111025010552220351
74160243345244454
oct446577567464153
978640685373064
1020255030012011
1164aa123437803
12233168869a6b7
13b3c06c4abaa2
145004c4b0412b
15251d2e583de1
hex126bfdde686b

20255030012011 has 8 divisors (see below), whose sum is σ = 21000778386480. Its totient is φ = 19512434908512.

The previous prime is 20255030011987. The next prime is 20255030012023. The reversal of 20255030012011 is 11021003055202.

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

It is a cyclic number.

It is not a de Polignac number, because 20255030012011 - 219 = 20255029487723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20255030012051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788304660 + ... + 788330353.

It is an arithmetic number, because the mean of its divisors is an integer number (2625097298310).

Almost surely, 220255030012011 is an apocalyptic number.

20255030012011 is a deficient number, since it is larger than the sum of its proper divisors (745748374469).

20255030012011 is a wasteful number, since it uses less digits than its factorization.

20255030012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576635485.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20255030012011 its reverse (11021003055202), we get a palindrome (31276033067213).

The spelling of 20255030012011 in words is "twenty trillion, two hundred fifty-five billion, thirty million, twelve thousand, eleven".

Divisors: 1 29 443 12847 1576635013 45722415377 698449310759 20255030012011