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3857408073648 = 243284319317693
BaseRepresentation
bin111000001000011111011…
…100000001111110110000
3111122202122101211022122200
4320020133130001332300
51001144432431324043
612112022510103200
7545455111430163
oct70103734017660
914582571738580
103857408073648
111257a10327938
125237121aab00
1321c9a125c60c
14d49b17b1ada
156a5179507d3
hex3821f701fb0

3857408073648 has 60 divisors (see below), whose sum is σ = 10795547106240. Its totient is φ = 1285783394688.

The previous prime is 3857408073619. The next prime is 3857408073691. The reversal of 3857408073648 is 8463708047583.

3857408073648 is a `hidden beast` number, since 385 + 74 + 0 + 80 + 73 + 6 + 48 = 666.

It is a super-3 number, since 3×38574080736483 (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11983090 + ... + 12300782.

It is an arithmetic number, because the mean of its divisors is an integer number (179925785104).

Almost surely, 23857408073648 is an apocalyptic number.

It is an amenable number.

3857408073648 is an abundant number, since it is smaller than the sum of its proper divisors (6938139032592).

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

3857408073648 is a wasteful number, since it uses less digits than its factorization.

3857408073648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402026 (or 402017 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 3857408073648 in words is "three trillion, eight hundred fifty-seven billion, four hundred eight million, seventy-three thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 84319 168638 252957 317693 337276 505914 635386 674552 758871 953079 1011828 1270772 1349104 1517742 1906158 2023656 2541544 2859237 3035484 3812316 4047312 5083088 5718474 6070968 7624632 11436948 12141936 15249264 22873896 45747792 26787556067 53575112134 80362668201 107150224268 160725336402 214300448536 241088004603 321450672804 428600897072 482176009206 642901345608 964352018412 1285802691216 1928704036824 3857408073648