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105520660169 = 1715141106607
BaseRepresentation
bin110001001000110000…
…1010111111011001001
3101002100220201221021212
41202101201113323021
53212101242111134
6120250413542505
710423620545441
oct1422141277311
9332326657255
10105520660169
1140829730871
121854a7a4a35
139c484a8172
145170335121
152b28c3abce
hex1891857ec9

105520660169 has 8 divisors (see below), whose sum is σ = 112467679488. Its totient is φ = 98655854400.

The previous prime is 105520660139. The next prime is 105520660181. The reversal of 105520660169 is 961066025501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105520660169 is a prime.

It is a super-2 number, since 2×1055206601692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105520660109) 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, 20550737 + ... + 20555870.

It is an arithmetic number, because the mean of its divisors is an integer number (14058459936).

Almost surely, 2105520660169 is an apocalyptic number.

It is an amenable number.

105520660169 is a deficient number, since it is larger than the sum of its proper divisors (6947019319).

105520660169 is a wasteful number, since it uses less digits than its factorization.

105520660169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41106775.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 105520660169 in words is "one hundred five billion, five hundred twenty million, six hundred sixty thousand, one hundred sixty-nine".

Divisors: 1 17 151 2567 41106607 698812319 6207097657 105520660169