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13043441400220 = 2257118469767143
BaseRepresentation
bin1011110111001110100110…
…1100001111100110011100
31201011221101212011022101101
42331303221230033212130
53202200431444301340
643424024012322444
72514233431406110
oct275635154174634
951157355138341
1013043441400220
1141797686a0750
121567aa6173424
13737cb69ca76a
1433143d699740
15179453352c9a
hexbdce9b0f99c

13043441400220 has 48 divisors (see below), whose sum is σ = 34150101124608. Its totient is φ = 4065488228160.

The previous prime is 13043441400203. The next prime is 13043441400323. The reversal of 13043441400220 is 2200414434031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4234882032 + ... + 4234885111.

It is an arithmetic number, because the mean of its divisors is an integer number (711460440096).

Almost surely, 213043441400220 is an apocalyptic number.

13043441400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043441400220 is an abundant number, since it is smaller than the sum of its proper divisors (21106659724388).

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

13043441400220 is a wasteful number, since it uses less digits than its factorization.

13043441400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469767170 (or 8469767168 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13043441400220 its reverse (2200414434031), we get a palindrome (15243855834251).

The spelling of 13043441400220 in words is "thirteen trillion, forty-three billion, four hundred forty-one million, four hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 8469767143 16939534286 33879068572 42348835715 59288370001 84697671430 93167438573 118576740002 169395342860 186334877146 237153480004 296441850005 372669754292 465837192865 592883700010 652172070011 931674385730 1185767400020 1304344140022 1863348771460 2608688280044 3260860350055 6521720700110 13043441400220