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102212030311 = 164876199553
BaseRepresentation
bin101111100110001001…
…1111100111101100111
3100202211022222010101021
41133030103330331213
53133312234432221
6114542222312011
710245623631316
oct1371423747547
9322738863337
10102212030311
113a391032226
1217986728607
13983bb93b11
144d38b5027d
1529d3531041
hex17cc4fcf67

102212030311 has 4 divisors (see below), whose sum is σ = 102218246352. Its totient is φ = 102205814272.

The previous prime is 102212030293. The next prime is 102212030321. The reversal of 102212030311 is 113030212201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113030212201 = 498312268271.

It is a cyclic number.

It is not a de Polignac number, because 102212030311 - 217 = 102211899239 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 (102212030321) 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, 3083290 + ... + 3116263.

It is an arithmetic number, because the mean of its divisors is an integer number (25554561588).

Almost surely, 2102212030311 is an apocalyptic number.

102212030311 is a deficient number, since it is larger than the sum of its proper divisors (6216041).

102212030311 is an equidigital number, since it uses as much as digits as its factorization.

102212030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216040.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102212030311 its reverse (113030212201), we get a palindrome (215242242512).

The spelling of 102212030311 in words is "one hundred two billion, two hundred twelve million, thirty thousand, three hundred eleven".

Divisors: 1 16487 6199553 102212030311