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29011011111001 = 1717055710005629
BaseRepresentation
bin1101001100010101001110…
…00000110000100001011001
310210201102111020121201200001
412212022213000300201121
512300304022321023001
6141411250255013001
76052655620500463
oct646124700604131
9123642436551601
1029011011111001
1192755565028a7
123306640b0a161
13132595a48b50a
147241d74a7133
1535499a099001
hex1a62a7030859

29011011111001 has 8 divisors (see below), whose sum is σ = 30717724347720. Its totient is φ = 27304318226688.

The previous prime is 29011011110971. The next prime is 29011011111037. The reversal of 29011011111001 is 10011111011092.

It can be written as a sum of positive squares in 4 ways, for example, as 1700468160400 + 27310542950601 = 1304020^2 + 5225949^2 .

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 29011011111001 - 29 = 29011011110489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29011011111001.

It is not an unprimeable number, because it can be changed into a prime (29011011112001) 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, 2103346 + ... + 7902283.

It is an arithmetic number, because the mean of its divisors is an integer number (3839715543465).

Almost surely, 229011011111001 is an apocalyptic number.

It is an amenable number.

29011011111001 is a deficient number, since it is larger than the sum of its proper divisors (1706713236719).

29011011111001 is a wasteful number, since it uses less digits than its factorization.

29011011111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176203.

The product of its (nonzero) digits is 18, while the sum is 19.

Adding to 29011011111001 its reverse (10011111011092), we get a palindrome (39022122122093).

The spelling of 29011011111001 in words is "twenty-nine trillion, eleven billion, eleven million, one hundred eleven thousand, one".

Divisors: 1 17 170557 2899469 10005629 170095693 1706530065353 29011011111001