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105532162221 = 3157122391717
BaseRepresentation
bin110001001001000110…
…1010000000010101101
3101002101201101022010210
41202102031100002231
53212112213142341
6120251504253033
710424120402223
oct1422215200255
9332351338123
10105532162221
11408351774a2
1218552611179
139c4a9a4605
145171a8ab13
152b29c5dc16
hex18923500ad

105532162221 has 8 divisors (see below), whose sum is σ = 140799122784. Its totient is φ = 70309988240.

The previous prime is 105532162129. The next prime is 105532162223. The reversal of 105532162221 is 122261235501.

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 105532162221 - 218 = 105531900077 is a prime.

It is a super-2 number, since 2×1055321622212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105532162223) 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, 11191146 + ... + 11200571.

It is an arithmetic number, because the mean of its divisors is an integer number (17599890348).

Almost surely, 2105532162221 is an apocalyptic number.

It is an amenable number.

105532162221 is a deficient number, since it is larger than the sum of its proper divisors (35266960563).

105532162221 is a wasteful number, since it uses less digits than its factorization.

105532162221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22393291.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 105532162221 its reverse (122261235501), we get a palindrome (227793397722).

The spelling of 105532162221 in words is "one hundred five billion, five hundred thirty-two million, one hundred sixty-two thousand, two hundred twenty-one".

Divisors: 1 3 1571 4713 22391717 67175151 35177387407 105532162221