Search a number
-
+
102202021213 = 438929639013
BaseRepresentation
bin101111100101110110…
…1110001010101011101
3100202210122010121110221
41133023231301111131
53133302204134323
6114541224001341
710245442563265
oct1371355612535
9322718117427
10102202021213
113a386416246
1217983300251
139839a9b086
144d376a67a5
1529d270555d
hex17cbb7155d

102202021213 has 16 divisors (see below), whose sum is σ = 105801284160. Its totient is φ = 98659338624.

The previous prime is 102202021169. The next prime is 102202021223. The reversal of 102202021213 is 312120202201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102202021213 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 (102202021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11334895 + ... + 11343907.

It is an arithmetic number, because the mean of its divisors is an integer number (6612580260).

Almost surely, 2102202021213 is an apocalyptic number.

It is an amenable number.

102202021213 is a deficient number, since it is larger than the sum of its proper divisors (3599262947).

102202021213 is an equidigital number, since it uses as much as digits as its factorization.

102202021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102202021213 its reverse (312120202201), we get a palindrome (414322223414).

The spelling of 102202021213 in words is "one hundred two billion, two hundred two million, twenty-one thousand, two hundred thirteen".

Divisors: 1 43 89 2963 3827 9013 127409 263707 387559 802157 11339401 26705519 34492751 1148337317 2376791191 102202021213