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102301001123 = 195384263217
BaseRepresentation
bin101111101000110011…
…1010110010110100011
3100210001112101022101112
41133101213112112203
53134003024013443
6114555121253535
710251054106406
oct1372147262643
9323045338345
10102301001123
113a427280322
12179b04942ab
139854445479
144d468add3d
1529db257b18
hex17d19d65a3

102301001123 has 4 divisors (see below), whose sum is σ = 107685264360. Its totient is φ = 96916737888.

The previous prime is 102301001113. The next prime is 102301001171. The reversal of 102301001123 is 321100103201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321100103201 = 2047715681013.

It is a cyclic number.

It is not a de Polignac number, because 102301001123 - 212 = 102300997027 is a prime.

It is a super-2 number, since 2×1023010011232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102301001098 and 102301001107.

It is not an unprimeable number, because it can be changed into a prime (102301001113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692131590 + ... + 2692131627.

It is an arithmetic number, because the mean of its divisors is an integer number (26921316090).

Almost surely, 2102301001123 is an apocalyptic number.

102301001123 is a deficient number, since it is larger than the sum of its proper divisors (5384263237).

102301001123 is an equidigital number, since it uses as much as digits as its factorization.

102301001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384263236.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102301001123 its reverse (321100103201), we get a palindrome (423401104324).

The spelling of 102301001123 in words is "one hundred two billion, three hundred one million, one thousand, one hundred twenty-three".

Divisors: 1 19 5384263217 102301001123