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102000000212111 = 457223194748823
BaseRepresentation
bin10111001100010010111001…
…110001111001110010001111
3111101011002211101120011012202
4113030102321301321302033
5101332132000023241421
61000534053032152115
730325154043352601
oct2714227161716217
9441132741504182
10102000000212111
112a555a58a92361
12b53434983863b
1344bb735752a11
141b28b7d719171
15bbd3c27e010b
hex5cc4b9c79c8f

102000000212111 has 4 divisors (see below), whose sum is σ = 102223194961392. Its totient is φ = 101776805462832.

The previous prime is 102000000212051. The next prime is 102000000212119. The reversal of 102000000212111 is 111212000000201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102000000212111 - 222 = 101999996017807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000000212092 and 102000000212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000000212119) 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, 111597373955 + ... + 111597374868.

It is an arithmetic number, because the mean of its divisors is an integer number (25555798740348).

Almost surely, 2102000000212111 is an apocalyptic number.

102000000212111 is a deficient number, since it is larger than the sum of its proper divisors (223194749281).

102000000212111 is an equidigital number, since it uses as much as digits as its factorization.

102000000212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223194749280.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102000000212111 its reverse (111212000000201), we get a palindrome (213212000212312).

The spelling of 102000000212111 in words is "one hundred two trillion, two hundred twelve thousand, one hundred eleven".

Divisors: 1 457 223194748823 102000000212111