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29211011103 = 3192322281473
BaseRepresentation
bin11011001101000111…
…001010100000011111
32210101202200010002010
4123031013022200133
5434311004323403
621230325202303
72052606332451
oct331507124037
983352603063
1029211011103
111142a943a9a
1257b2860393
1329a6a99071
1415b17482d1
15b5e729603
hex6cd1ca81f

29211011103 has 16 divisors (see below), whose sum is σ = 42780430080. Its totient is φ = 17646925824.

The previous prime is 29211011087. The next prime is 29211011143. The reversal of 29211011103 is 30111011292.

It is a happy number.

It is not a de Polignac number, because 29211011103 - 24 = 29211011087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29211011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29211011143) 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, 11139426 + ... + 11142047.

It is an arithmetic number, because the mean of its divisors is an integer number (2673776880).

Almost surely, 229211011103 is an apocalyptic number.

29211011103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29211011103 is a deficient number, since it is larger than the sum of its proper divisors (13569418977).

29211011103 is a wasteful number, since it uses less digits than its factorization.

29211011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22281518.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 29211011103 its reverse (30111011292), we get a palindrome (59322022395).

The spelling of 29211011103 in words is "twenty-nine billion, two hundred eleven million, eleven thousand, one hundred three".

Divisors: 1 3 19 23 57 69 437 1311 22281473 66844419 423347987 512473879 1270043961 1537421637 9737003701 29211011103