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105530361320 = 23512611209203
BaseRepresentation
bin110001001001000011…
…0011000010111101000
3101002101120222210202202
41202102012120113220
53212111233030240
6120251401515332
710424066161616
oct1422206302750
9332346883682
10105530361320
114083415744a
1218551aa2b48
139c4a4c39a7
14517173c6b6
152b29a05315
hex18921985e8

105530361320 has 32 divisors (see below), whose sum is σ = 237463276320. Its totient is φ = 42208595520.

The previous prime is 105530361319. The next prime is 105530361323. The reversal of 105530361320 is 23163035501.

It is a super-2 number, since 2×1055303613202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105530361323) 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, 399839 + ... + 609041.

It is an arithmetic number, because the mean of its divisors is an integer number (7420727385).

Almost surely, 2105530361320 is an apocalyptic number.

105530361320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105530361320 is an abundant number, since it is smaller than the sum of its proper divisors (131932915000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105530361320 is a wasteful number, since it uses less digits than its factorization.

105530361320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221825 (or 221821 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 105530361320 its reverse (23163035501), we get a palindrome (128693396821).

The spelling of 105530361320 in words is "one hundred five billion, five hundred thirty million, three hundred sixty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 12611 25222 50444 63055 100888 126110 209203 252220 418406 504440 836812 1046015 1673624 2092030 4184060 8368120 2638259033 5276518066 10553036132 13191295165 21106072264 26382590330 52765180660 105530361320