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28683493197456 = 2436771125619671
BaseRepresentation
bin1101000010110011001010…
…11011000100011010010000
310202120010002221212212001210
412201121211123010122100
512224422243224304311
6141001003113300120
76020212462245666
oct641314533043220
9122503087785053
1028683493197456
119159668150899
123273077a04640
131300ac3594436
14712407826c36
1534b1cbb4e3a6
hex1a16656c4690

28683493197456 has 80 divisors (see below), whose sum is σ = 76264205349888. Its totient is φ = 9285806006400.

The previous prime is 28683493197397. The next prime is 28683493197479. The reversal of 28683493197456 is 65479139438682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62581500 + ... + 63038171.

Almost surely, 228683493197456 is an apocalyptic number.

It is an amenable number.

28683493197456 is an abundant number, since it is smaller than the sum of its proper divisors (47580712152432).

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

28683493197456 is a wasteful number, since it uses less digits than its factorization.

28683493197456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125619820 (or 125619814 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 75.

The spelling of 28683493197456 in words is "twenty-eight trillion, six hundred eighty-three billion, four hundred ninety-three million, one hundred ninety-seven thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 71 134 142 201 213 268 284 402 426 536 568 804 852 1072 1136 1608 1704 3216 3408 4757 9514 14271 19028 28542 38056 57084 76112 114168 228336 125619671 251239342 376859013 502478684 753718026 1004957368 1507436052 2009914736 3014872104 6029744208 8416517957 8918996641 16833035914 17837993282 25249553871 26756989923 33666071828 35675986564 50499107742 53513979846 67332143656 71351973128 100998215484 107027959692 134664287312 142703946256 201996430968 214055919384 403992861936 428111838768 597572774947 1195145549894 1792718324841 2390291099788 3585436649682 4780582199576 7170873299364 9561164399152 14341746598728 28683493197456