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101210212103 = 71113101109103
BaseRepresentation
bin101111001000010011…
…0010100011100000111
3100200020111212111011012
41132100212110130013
53124234303241403
6114254554032435
710212040415450
oct1362046243407
9320214774135
10101210212103
1139a175873a0
121774711871b
13970c46b190
144c81a8c127
1529755e0ed8
hex1790994707

101210212103 has 16 divisors (see below), whose sum is σ = 135890635776. Its totient is φ = 72798553440.

The previous prime is 101210212097. The next prime is 101210212133. The reversal of 101210212103 is 301212012101.

It is a cyclic number.

It is not a de Polignac number, because 101210212103 - 26 = 101210212039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210212133) 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 15 ways as a sum of consecutive naturals, for example, 50553551 + ... + 50555552.

It is an arithmetic number, because the mean of its divisors is an integer number (8493164736).

Almost surely, 2101210212103 is an apocalyptic number.

101210212103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101210212103 is a deficient number, since it is larger than the sum of its proper divisors (34680423673).

101210212103 is a wasteful number, since it uses less digits than its factorization.

101210212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101109134.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101210212103 its reverse (301212012101), we get a palindrome (402422224204).

It can be divided in two parts, 101210 and 212103, that added together give a palindrome (313313).

The spelling of 101210212103 in words is "one hundred one billion, two hundred ten million, two hundred twelve thousand, one hundred three".

Divisors: 1 7 11 13 77 91 143 1001 101109103 707763721 1112200133 1314418339 7785400931 9200928373 14458601729 101210212103