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1011211112013 = 317117643168541
BaseRepresentation
bin11101011011100001110…
…00010000111001001101
310120200010001002220221220
432231300320100321031
5113031430021041023
62052313255313553
7133025516426544
oct16556070207115
93520101086856
101011211112013
1135a941346323
12143b9067b8b9
1374483b6b22b
1436d2b38d15b
151b485b073e3
hexeb70e10e4d

1011211112013 has 16 divisors (see below), whose sum is σ = 1427612763456. Its totient is φ = 634476245760.

The previous prime is 1011211112011. The next prime is 1011211112033. The reversal of 1011211112013 is 3102111121101.

1011211112013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011211112013 - 21 = 1011211112011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011211111983 and 1011211112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011211112011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5915523 + ... + 6084063.

It is an arithmetic number, because the mean of its divisors is an integer number (89225797716).

Almost surely, 21011211112013 is an apocalyptic number.

It is an amenable number.

1011211112013 is a deficient number, since it is larger than the sum of its proper divisors (416401651443).

1011211112013 is a wasteful number, since it uses less digits than its factorization.

1011211112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286204.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1011211112013 its reverse (3102111121101), we get a palindrome (4113322233114).

The spelling of 1011211112013 in words is "one trillion, eleven billion, two hundred eleven million, one hundred twelve thousand, thirteen".

Divisors: 1 3 17 51 117643 168541 352929 505623 1999931 2865197 5999793 8595591 19827668863 59483006589 337070370671 1011211112013