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105344386624 = 2629213992
BaseRepresentation
bin110001000011100000…
…0111100011001000000
3101001220122001022110001
41202013000330121000
53211221130332444
6120221115445344
710416350340421
oct1420700743100
9331818038401
10105344386624
1140749183954
12184bb756854
139c1ab0a4a9
145154b6b648
152b1851b8d4
hex188703c640

105344386624 has 63 divisors (see below), whose sum is σ = 216654566817. Its totient is φ = 50819559168.

The previous prime is 105344386607. The next prime is 105344386633. The reversal of 105344386624 is 426683443501.

The square root of 105344386624 is 324568.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 55240041024 + 50104345600 = 235032^2 + 223840^2 .

It is a super-2 number, since 2×1053443866242 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 75299077 + ... + 75300475.

Almost surely, 2105344386624 is an apocalyptic number.

105344386624 is the 324568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105344386624

105344386624 is an abundant number, since it is smaller than the sum of its proper divisors (111310180193).

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

105344386624 is an frugal number, since it uses more digits than its factorization.

105344386624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 105344386624 in words is "one hundred five billion, three hundred forty-four million, three hundred eighty-six thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 464 841 928 1399 1682 1856 2798 3364 5596 6728 11192 13456 22384 26912 40571 44768 53824 81142 89536 162284 324568 649136 1176559 1298272 1957201 2353118 2596544 3914402 4706236 7828804 9412472 15657608 18824944 31315216 37649888 56758829 62630432 75299776 113517658 125260864 227035316 454070632 908141264 1646006041 1816282528 3292012082 3632565056 6584024164 13168048328 26336096656 52672193312 105344386624