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11211230011013 = 57119634378303
BaseRepresentation
bin1010001100100101000101…
…1000011101111010000101
31110200210010220012000211122
42203021101120131322011
52432141044340323023
635502211251443325
72234661505513244
oct243112130357205
943623126160748
1011211230011013
11363272407964a
12131098a2b6545
136342a3201b56
142aa8aacbc95b
1514696a9a42c8
hexa325161de85

11211230011013 has 4 divisors (see below), whose sum is σ = 11230864389888. Its totient is φ = 11191595632140.

The previous prime is 11211230010997. The next prime is 11211230011067. The reversal of 11211230011013 is 31011003211211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11211230011013 - 24 = 11211230010997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211230010982 and 11211230011000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211230011073) 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, 9817188581 + ... + 9817189722.

It is an arithmetic number, because the mean of its divisors is an integer number (2807716097472).

Almost surely, 211211230011013 is an apocalyptic number.

It is an amenable number.

11211230011013 is a deficient number, since it is larger than the sum of its proper divisors (19634378875).

11211230011013 is an equidigital number, since it uses as much as digits as its factorization.

11211230011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19634378874.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11211230011013 its reverse (31011003211211), we get a palindrome (42222233222224).

The spelling of 11211230011013 in words is "eleven trillion, two hundred eleven billion, two hundred thirty million, eleven thousand, thirteen".

Divisors: 1 571 19634378303 11211230011013