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11111010010001 = 113291730686023
BaseRepresentation
bin1010000110101111101111…
…0011100000001110010001
31110100012110101120110221022
42201223323303200032101
52424020322030310001
635344154425205225
72224513120535336
oct241537363401621
943305411513838
1011111010010001
1135a417553a530
1212b547a930815
136279c0c543c5
142a5ac095098d
151440522ae11b
hexa1afbce0391

11111010010001 has 8 divisors (see below), whose sum is σ = 12121470456384. Its totient is φ = 10100611001520.

The previous prime is 11111010009973. The next prime is 11111010010019. The reversal of 11111010010001 is 10001001011111.

11111010010001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11111010010001 - 222 = 11111005815697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111010010031) 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, 14980925 + ... + 15705098.

It is an arithmetic number, because the mean of its divisors is an integer number (1515183807048).

Almost surely, 211111010010001 is an apocalyptic number.

11111010010001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11111010010001 is a deficient number, since it is larger than the sum of its proper divisors (1010460446383).

11111010010001 is a wasteful number, since it uses less digits than its factorization.

11111010010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30718951.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11111010010001 its reverse (10001001011111), we get a palindrome (21112011021112).

The spelling of 11111010010001 in words is "eleven trillion, one hundred eleven billion, ten million, ten thousand, one".

Divisors: 1 11 32917 362087 30686023 337546253 1010091819091 11111010010001