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10020010111 = 58391716049
BaseRepresentation
bin10010101010011110…
…10011100001111111
3221212022102020211121
421111033103201333
5131010110310421
64334135331411
7503206452316
oct112517234177
927768366747
1010020010111
1142820419a1
121b37820b67
13c38ba5387
146b0a9127d
153d9a11d41
hex2553d387f

10020010111 has 4 divisors (see below), whose sum is σ = 10021732000. Its totient is φ = 10018288224.

The previous prime is 10020010057. The next prime is 10020010153. The reversal of 10020010111 is 11101002001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11101002001 = 94711722283.

It is a cyclic number.

It is not a de Polignac number, because 10020010111 - 215 = 10019977343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020010094 and 10020010103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020010711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852186 + ... + 863863.

It is an arithmetic number, because the mean of its divisors is an integer number (2505433000).

Almost surely, 210020010111 is an apocalyptic number.

10020010111 is a deficient number, since it is larger than the sum of its proper divisors (1721889).

10020010111 is an equidigital number, since it uses as much as digits as its factorization.

10020010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721888.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10020010111 its reverse (11101002001), we get a palindrome (21121012112).

The spelling of 10020010111 in words is "ten billion, twenty million, ten thousand, one hundred eleven".

Divisors: 1 5839 1716049 10020010111