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442540220150 = 25279071394047
BaseRepresentation
bin1100111000010010111…
…00111101111011110110
31120022021101111110110002
412130021130331323312
524222310244021100
6535144500431302
743654362543320
oct6341134757366
91508241443402
10442540220150
11160753465436
12719259a8532
1332967a62b42
14175c1c90610
15b7a14032d5
hex670973def6

442540220150 has 48 divisors (see below), whose sum is σ = 941751914496. Its totient is φ = 151560681120.

The previous prime is 442540220141. The next prime is 442540220179. The reversal of 442540220150 is 51022045244.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379574 + ... + 1014473.

It is an arithmetic number, because the mean of its divisors is an integer number (19619831552).

Almost surely, 2442540220150 is an apocalyptic number.

442540220150 is an abundant number, since it is smaller than the sum of its proper divisors (499211694346).

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

442540220150 is a wasteful number, since it uses less digits than its factorization.

442540220150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394973 (or 1394968 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 442540220150 its reverse (51022045244), we get a palindrome (493562265394).

The spelling of 442540220150 in words is "four hundred forty-two billion, five hundred forty million, two hundred twenty thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 907 1814 4535 6349 9070 12698 22675 31745 45350 63490 158725 317450 1394047 2788094 6970235 9758329 13940470 19516658 34851175 48791645 69702350 97583290 243958225 487916450 1264400629 2528801258 6322003145 8850804403 12644006290 17701608806 31610015725 44254022015 63220031450 88508044030 221270110075 442540220150