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13212321101 = 72836669521
BaseRepresentation
bin11000100111000010…
…00000010101001101
31021002210022110020222
430103201000111031
5204024323233401
610023013521125
7645261606410
oct142341002515
937083273228
1013212321101
115670013441
1226889431a5
1313273811a5
148d4a37b77
15524de1c1b
hex31384054d

13212321101 has 8 divisors (see below), whose sum is σ = 15153153984. Its totient is φ = 11284827840.

The previous prime is 13212321097. The next prime is 13212321113. The reversal of 13212321101 is 10112321231.

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 13212321101 - 22 = 13212321097 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 13212321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212321121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332780 + ... + 3336741.

It is an arithmetic number, because the mean of its divisors is an integer number (1894144248).

Almost surely, 213212321101 is an apocalyptic number.

It is an amenable number.

13212321101 is a deficient number, since it is larger than the sum of its proper divisors (1940832883).

13212321101 is an equidigital number, since it uses as much as digits as its factorization.

13212321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669811.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13212321101 its reverse (10112321231), we get a palindrome (23324642332).

The spelling of 13212321101 in words is "thirteen billion, two hundred twelve million, three hundred twenty-one thousand, one hundred one".

Divisors: 1 7 283 1981 6669521 46686647 1887474443 13212321101