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10540001111440 = 245413213414973
BaseRepresentation
bin1001100101100000100100…
…0001011010110110010000
31101022121120210120222011211
42121120021001122312100
52340141410241031230
634230002030545504
72135330024144053
oct231301101326620
941277523528154
1010540001111440
1133a3a979395a9
121222881068294
135b5bc16576b8
142861d2b2ca9a
151342826cc42a
hex9960905ad90

10540001111440 has 40 divisors (see below), whose sum is σ = 25103197776888. Its totient is φ = 4113171164160.

The previous prime is 10540001111363. The next prime is 10540001111449. The reversal of 10540001111440 is 4411110004501.

It can be written as a sum of positive squares in 4 ways, for example, as 190860639376 + 10349140472064 = 436876^2 + 3217008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×105400011114402 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10540001111449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1606704207 + ... + 1606710766.

Almost surely, 210540001111440 is an apocalyptic number.

10540001111440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10540001111440 is an abundant number, since it is smaller than the sum of its proper divisors (14563196665448).

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

10540001111440 is a wasteful number, since it uses less digits than its factorization.

10540001111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213415027 (or 3213415021 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 10540001111440 its reverse (4411110004501), we get a palindrome (14951111115941).

The spelling of 10540001111440 in words is "ten trillion, five hundred forty billion, one million, one hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 3213414973 6426829946 12853659892 16067074865 25707319784 32134149730 51414639568 64268299460 128536598920 131750013893 257073197840 263500027786 527000055572 658750069465 1054000111144 1317500138930 2108000222288 2635000277860 5270000555720 10540001111440