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1443442243542 = 231385921543271
BaseRepresentation
bin10101000000010011110…
…111001011011111010110
312002222202222020102101220
4111000103313023133112
5142122132203243132
63023035212431210
7206166562426215
oct25002367133726
95088688212356
101443442243542
11507184574902
121b38b9a78506
13a6167b83020
144dc1201d07c
1527831e45a2c
hex15013dcb7d6

1443442243542 has 32 divisors (see below), whose sum is σ = 3112571938560. Its totient is φ = 443619015840.

The previous prime is 1443442243541. The next prime is 1443442243547. The reversal of 1443442243542 is 2453422443441.

It is a junction number, because it is equal to n+sod(n) for n = 1443442243494 and 1443442243503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443442243541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10704634 + ... + 10838637.

It is an arithmetic number, because the mean of its divisors is an integer number (97267873080).

Almost surely, 21443442243542 is an apocalyptic number.

1443442243542 is an abundant number, since it is smaller than the sum of its proper divisors (1669129695018).

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

1443442243542 is a wasteful number, since it uses less digits than its factorization.

1443442243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21544148.

The product of its digits is 1474560, while the sum is 42.

Adding to 1443442243542 its reverse (2453422443441), we get a palindrome (3896864686983).

The spelling of 1443442243542 in words is "one trillion, four hundred forty-three billion, four hundred forty-two million, two hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 859 1718 2577 5154 11167 22334 33501 67002 21543271 43086542 64629813 129259626 280062523 560125046 840187569 1680375138 18505669789 37011339578 55517009367 111034018734 240573707257 481147414514 721721121771 1443442243542