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105524140440 = 23351078218391
BaseRepresentation
bin110001001000110111…
…0101001100110011000
3101002101011021202022210
41202101232221212120
53212103134443230
6120251020315120
710423662252135
oct1422156514630
9332334252283
10105524140440
1140830698624
121854b9a2aa0
139c491262b4
14517099d58c
152b291c6eb0
hex1891ba9998

105524140440 has 64 divisors (see below), whose sum is σ = 319531080960. Its totient is φ = 27876778880.

The previous prime is 105524140439. The next prime is 105524140459. The reversal of 105524140440 is 44041425501.

It is a super-2 number, since 2×1055241404402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 105524140398 and 105524140407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4096356 + ... + 4122035.

It is an arithmetic number, because the mean of its divisors is an integer number (4992673140).

Almost surely, 2105524140440 is an apocalyptic number.

105524140440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105524140440 is an abundant number, since it is smaller than the sum of its proper divisors (214006940520).

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

105524140440 is a wasteful number, since it uses less digits than its factorization.

105524140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218512 (or 8218508 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 105524140440 its reverse (44041425501), we get a palindrome (149565565941).

The spelling of 105524140440 in words is "one hundred five billion, five hundred twenty-four million, one hundred forty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 107 120 214 321 428 535 642 856 1070 1284 1605 2140 2568 3210 4280 6420 12840 8218391 16436782 24655173 32873564 41091955 49310346 65747128 82183910 98620692 123275865 164367820 197241384 246551730 328735640 493103460 879367837 986206920 1758735674 2638103511 3517471348 4396839185 5276207022 7034942696 8793678370 10552414044 13190517555 17587356740 21104828088 26381035110 35174713480 52762070220 105524140440