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102123133111 = 1187228737619
BaseRepresentation
bin101111100011100000…
…0110101100010110111
3100202121010200200100101
41133013000311202313
53133122010224421
6114525325054531
710243464210646
oct1370700654267
9322533620311
10102123133111
113a34593446a
12179609b7447
139826639b1c
144d2b00d35d
1529ca821191
hex17c70358b7

102123133111 has 8 divisors (see below), whose sum is σ = 102256577280. Its totient is φ = 101989771128.

The previous prime is 102123133033. The next prime is 102123133139. The reversal of 102123133111 is 111331321201.

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 102123133111 - 217 = 102123002039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123133141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695860 + ... + 2733478.

It is an arithmetic number, because the mean of its divisors is an integer number (12782072160).

Almost surely, 2102123133111 is an apocalyptic number.

102123133111 is a deficient number, since it is larger than the sum of its proper divisors (133444169).

102123133111 is a wasteful number, since it uses less digits than its factorization.

102123133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41093.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 102123133111 its reverse (111331321201), we get a palindrome (213454454312).

The spelling of 102123133111 in words is "one hundred two billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred eleven".

Divisors: 1 1187 2287 37619 2714669 44653753 86034653 102123133111