Search a number
-
+
102212030101 = 397792732479
BaseRepresentation
bin101111100110001001…
…1111100111010010101
3100202211022222010002111
41133030103330322111
53133312234430401
6114542222311021
710245623630566
oct1371423747225
9322738863074
10102212030101
113a391032055
1217986728471
13983bb939ac
144d38b5016d
1529d3530e51
hex17cc4fce95

102212030101 has 8 divisors (see below), whose sum is σ = 102485573120. Its totient is φ = 101938568688.

The previous prime is 102212030099. The next prime is 102212030113. The reversal of 102212030101 is 101030212201.

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 102212030101 - 21 = 102212030099 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 (102212030131) 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, 3130780 + ... + 3163258.

It is an arithmetic number, because the mean of its divisors is an integer number (12810696640).

Almost surely, 2102212030101 is an apocalyptic number.

It is an amenable number.

102212030101 is a deficient number, since it is larger than the sum of its proper divisors (273543019).

102212030101 is an equidigital number, since it uses as much as digits as its factorization.

102212030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40803.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102212030101 its reverse (101030212201), we get a palindrome (203242242302).

The spelling of 102212030101 in words is "one hundred two billion, two hundred twelve million, thirty thousand, one hundred one".

Divisors: 1 397 7927 32479 3147019 12894163 257461033 102212030101