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101210102123 = 13171095477681
BaseRepresentation
bin101111001000010010…
…1111001100101101011
3100200020111122220021212
41132100211321211223
53124234241231443
6114254551423335
710212036450014
oct1362045714553
9320214586255
10101210102123
1139a175117a9
1217747084b4b
13970c4300c0
144c81a6000b
1529755bd618
hex179097996b

101210102123 has 32 divisors (see below), whose sum is σ = 116693881920. Its totient is φ = 86951854080.

The previous prime is 101210102087. The next prime is 101210102197. The reversal of 101210102123 is 321201012101.

It is not a de Polignac number, because 101210102123 - 234 = 84030232939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210102098 and 101210102107.

It is not an unprimeable number, because it can be changed into a prime (101210102023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13172843 + ... + 13180523.

It is an arithmetic number, because the mean of its divisors is an integer number (3646683810).

Almost surely, 2101210102123 is an apocalyptic number.

101210102123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101210102123 is a deficient number, since it is larger than the sum of its proper divisors (15483779797).

101210102123 is a wasteful number, since it uses less digits than its factorization.

101210102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367.

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

Adding to 101210102123 its reverse (321201012101), we get a palindrome (422411114224).

The spelling of 101210102123 in words is "one hundred one billion, two hundred ten million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 13 17 109 221 547 1417 1853 7111 7681 9299 24089 59623 99853 120887 130577 775099 837229 1013591 1697501 4201507 10883977 13176683 14232893 54619591 71425619 185027609 457964263 928533047 5953535419 7785392471 101210102123