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243105103444 = 22744919337027
BaseRepresentation
bin1110001001101000110…
…0010111111001010100
3212020111102010211011011
43202122030113321110
512440334401302234
6303403030022004
723364241166350
oct3423214277124
9766442124134
10243105103444
1194111547435
123b1474a7904
1319c03795648
14baa2c14460
1564cc861b64
hex389a317e54

243105103444 has 24 divisors (see below), whose sum is σ = 487293105600. Its totient is φ = 103955851776.

The previous prime is 243105103427. The next prime is 243105103457. The reversal of 243105103444 is 444301501342.

243105103444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2431051034442 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9655942 + ... + 9681085.

It is an arithmetic number, because the mean of its divisors is an integer number (20303879400).

Almost surely, 2243105103444 is an apocalyptic number.

It is an amenable number.

243105103444 is an abundant number, since it is smaller than the sum of its proper divisors (244188002156).

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

243105103444 is a wasteful number, since it uses less digits than its factorization.

243105103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19337487 (or 19337485 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243105103444 its reverse (444301501342), we get a palindrome (687406604786).

The spelling of 243105103444 in words is "two hundred forty-three billion, one hundred five million, one hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 449 898 1796 3143 6286 12572 19337027 38674054 77348108 135359189 270718378 541436756 8682325123 17364650246 34729300492 60776275861 121552551722 243105103444