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11211030099 = 34138407779
BaseRepresentation
bin10100111000011101…
…01011111001010011
31001221022112100010000
422130032223321103
5140430010430344
65052243141043
7544551116643
oct123416537123
931838470100
1011211030099
114833374935
12220a674783
131098874329
14784d24523
15459376a69
hex29c3abe53

11211030099 has 10 divisors (see below), whose sum is σ = 16747341380. Its totient is φ = 7474020012.

The previous prime is 11211030073. The next prime is 11211030107. The reversal of 11211030099 is 99003011211.

It is not a de Polignac number, because 11211030099 - 212 = 11211026003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211030049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69203809 + ... + 69203970.

It is an arithmetic number, because the mean of its divisors is an integer number (1674734138).

Almost surely, 211211030099 is an apocalyptic number.

11211030099 is a deficient number, since it is larger than the sum of its proper divisors (5536311281).

11211030099 is an equidigital number, since it uses as much as digits as its factorization.

11211030099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138407791 (or 138407782 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The spelling of 11211030099 in words is "eleven billion, two hundred eleven million, thirty thousand, ninety-nine".

Divisors: 1 3 9 27 81 138407779 415223337 1245670011 3737010033 11211030099