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128263514282384 = 241317315672274703
BaseRepresentation
bin11101001010011110101101…
…001101001101100110010000
3121211010212112211202222012012
4131022132231031031212100
5113302432134124014014
61132443240042322052
736005506311511355
oct3512365515154620
9554125484688165
10128263514282384
1137961283a98008
12124763b34b9328
135675274b975c0
142395db6cbc62c
15ec6665a71c3e
hex74a7ad34d990

128263514282384 has 80 divisors (see below), whose sum is σ = 269345626109952. Its totient is φ = 58818771177984.

The previous prime is 128263514282363. The next prime is 128263514282411. The reversal of 128263514282384 is 483282415362821.

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, 55249577 + ... + 57524279.

Almost surely, 2128263514282384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128263514282384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134672813054976).

128263514282384 is an abundant number, since it is smaller than the sum of its proper divisors (141082111827568).

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

128263514282384 is a wasteful number, since it uses less digits than its factorization.

128263514282384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276464 (or 2276458 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 59.

The spelling of 128263514282384 in words is "one hundred twenty-eight trillion, two hundred sixty-three billion, five hundred fourteen million, two hundred eighty-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 52 104 173 208 346 692 1384 1567 2249 2768 3134 4498 6268 8996 12536 17992 20371 25072 35984 40742 81484 162968 271091 325936 542182 1084364 2168728 2274703 3524183 4337456 4549406 7048366 9098812 14096732 18197624 28193464 29571139 36395248 56386928 59142278 118284556 236569112 393523619 473138224 787047238 1574094476 3148188952 3564459601 5115807047 6296377904 7128919202 10231614094 14257838404 20463228188 28515676808 40926456376 46337974813 57031353616 81852912752 92675949626 185351899252 370703798504 616651510973 741407597008 1233303021946 2466606043892 4933212087784 8016469642649 9866424175568 16032939285298 32065878570596 64131757141192 128263514282384