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10012001111 = 72017370901
BaseRepresentation
bin10010101001100001…
…10000001101010111
3221211202100100112222
421110300300031113
5131001033013421
64333251532555
7503051414420
oct112460601527
927752310488
1010012001111
114278571692
121b34bba15b
13c3732cb18
146ad9a8647
153d8e7dcab
hex254c30357

10012001111 has 8 divisors (see below), whose sum is σ = 11443015584. Its totient is φ = 8581168800.

The previous prime is 10012001107. The next prime is 10012001117. The reversal of 10012001111 is 11110021001.

It is a happy number.

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 10012001111 - 22 = 10012001107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012001117) 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, 105761 + ... + 176661.

It is an arithmetic number, because the mean of its divisors is an integer number (1430376948).

Almost surely, 210012001111 is an apocalyptic number.

10012001111 is a deficient number, since it is larger than the sum of its proper divisors (1431014473).

10012001111 is an equidigital number, since it uses as much as digits as its factorization.

10012001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91081.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10012001111 its reverse (11110021001), we get a palindrome (21122022112).

The spelling of 10012001111 in words is "ten billion, twelve million, one thousand, one hundred eleven".

Divisors: 1 7 20173 70901 141211 496307 1430285873 10012001111