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1443142403412 = 223667918005969
BaseRepresentation
bin10101000000000001111…
…111011000010101010100
312002222000002000222001220
4111000001333120111110
5142121023423402122
63022545342050340
7206156262013563
oct25000177302524
95088002028056
101443142403412
1150704029a546
121b38355799b0
13a611aa0cc28
144dbc428bbda
152781596925c
hex15001fd8554

1443142403412 has 24 divisors (see below), whose sum is σ = 3367836628800. Its totient is φ = 480975417216.

The previous prime is 1443142403371. The next prime is 1443142403413. The reversal of 1443142403412 is 2143042413441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443142403413) 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, 8922837 + ... + 9083132.

It is an arithmetic number, because the mean of its divisors is an integer number (140326526200).

Almost surely, 21443142403412 is an apocalyptic number.

1443142403412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1443142403412 is an abundant number, since it is smaller than the sum of its proper divisors (1924694225388).

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

1443142403412 is a wasteful number, since it uses less digits than its factorization.

1443142403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012655 (or 18012653 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1443142403412 its reverse (2143042413441), we get a palindrome (3586184816853).

The spelling of 1443142403412 in words is "one trillion, four hundred forty-three billion, one hundred forty-two million, four hundred three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 6679 13358 20037 26716 40074 80148 18005969 36011938 54017907 72023876 108035814 216071628 120261866951 240523733902 360785600853 481047467804 721571201706 1443142403412