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10111011001 = 7131723328051
BaseRepresentation
bin10010110101010100…
…11100100010111001
3222002122122120120221
421122222130202321
5131201404323001
64351150020041
7505363114120
oct113252344271
928078576527
1010111011001
114319447243
121b621a7621
13c519b7a60
146bcbbcab7
153e29da1a1
hex25aa9c8b9

10111011001 has 32 divisors (see below), whose sum is σ = 13233362688. Its totient is φ = 7496755200.

The previous prime is 10111010993. The next prime is 10111011047. The reversal of 10111011001 is 10011011101.

It is a happy number.

10111011001 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 10111011001 - 23 = 10111010993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (10111011091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346426 + ... + 374476.

It is an arithmetic number, because the mean of its divisors is an integer number (413542584).

Almost surely, 210111011001 is an apocalyptic number.

It is an amenable number.

10111011001 is a deficient number, since it is larger than the sum of its proper divisors (3122351687).

10111011001 is a wasteful number, since it uses less digits than its factorization.

10111011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28321.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10111011001 its reverse (10011011101), we get a palindrome (20122022102).

It can be divided in two parts, 1011101 and 1001, that multiplied together give a palindrome (1012112101).

The spelling of 10111011001 in words is "ten billion, one hundred eleven million, eleven thousand, one".

Divisors: 1 7 13 17 91 119 221 233 1547 1631 3029 3961 21203 27727 28051 51493 196357 360451 364663 476867 2552641 3338069 6199271 6535883 43394897 45751181 84966479 111110011 594765353 777770077 1444430143 10111011001