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442123051552 = 257131071418953
BaseRepresentation
bin1100110111100001001…
…01100110001000100000
31120021012022112002201021
412123300211212020200
524220432000122202
6535035235215224
743641135634330
oct6336045461040
91507168462637
10442123051552
11160559a334a6
127182a147514
13328cc4bcb10
14175826db0c0
15b77999ca37
hex66f0966220

442123051552 has 96 divisors (see below), whose sum is σ = 1081311057792. Its totient is φ = 173271066624.

The previous prime is 442123051547. The next prime is 442123051571. The reversal of 442123051552 is 255150321244.

It is a happy 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, 397893 + ... + 1021060.

It is an arithmetic number, because the mean of its divisors is an integer number (11263656852).

Almost surely, 2442123051552 is an apocalyptic number.

It is an amenable number.

442123051552 is an abundant number, since it is smaller than the sum of its proper divisors (639188006240).

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

442123051552 is a wasteful number, since it uses less digits than its factorization.

442123051552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419090 (or 1419082 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 442123051552 its reverse (255150321244), we get a palindrome (697273372796).

The spelling of 442123051552 in words is "four hundred forty-two billion, one hundred twenty-three million, fifty-one thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 107 112 182 208 214 224 364 416 428 728 749 856 1391 1456 1498 1712 2782 2912 2996 3424 5564 5992 9737 11128 11984 19474 22256 23968 38948 44512 77896 155792 311584 1418953 2837906 5675812 9932671 11351624 18446389 19865342 22703248 36892778 39730684 45406496 73785556 79461368 129124723 147571112 151827971 158922736 258249446 295142224 303655942 317845472 516498892 590284448 607311884 1032997784 1062795797 1214623768 1973763623 2065995568 2125591594 2429247536 3947527246 4131991136 4251183188 4858495072 7895054492 8502366376 13816345361 15790108984 17004732752 27632690722 31580217968 34009465504 55265381444 63160435936 110530762888 221061525776 442123051552