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1443242121342 = 23754973625087
BaseRepresentation
bin10101000000000111111…
…011110001100001111110
312002222021000200011100120
4111000013323301201332
5142121224440340332
63023003303235410
7206161612422450
oct25000773614176
95088230604316
101443242121342
1150709160905a
121b3862a48b66
13a6135585218
144dbd36082d0
152781e5b532c
hex15007ef187e

1443242121342 has 32 divisors (see below), whose sum is σ = 3298904420352. Its totient is φ = 412346731104.

The previous prime is 1443242121317. The next prime is 1443242121457. The reversal of 1443242121342 is 2431212423441.

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, 1996323 + ... + 2621409.

It is an arithmetic number, because the mean of its divisors is an integer number (103090763136).

Almost surely, 21443242121342 is an apocalyptic number.

1443242121342 is an abundant number, since it is smaller than the sum of its proper divisors (1855662299010).

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

1443242121342 is a wasteful number, since it uses less digits than its factorization.

1443242121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680072.

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

Adding to 1443242121342 its reverse (2431212423441), we get a palindrome (3874454544783).

The spelling of 1443242121342 in words is "one trillion, four hundred forty-three billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 54973 109946 164919 329838 384811 625087 769622 1154433 1250174 1875261 2308866 3750522 4375609 8751218 13126827 26253654 34362907651 68725815302 103088722953 206177445906 240540353557 481080707114 721621060671 1443242121342