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258942019813728 = 25331709122722267
BaseRepresentation
bin111010111000000110100011…
…000110111100000101100000
31020221211121121120122111212020
4322320012203012330011200
5232420001224033014403
62314420153252501440
7105353641433253246
oct7270064306740540
91227747546574766
10258942019813728
117556376a642449
122506084661a880
13b1641877083c4
1447d2c097d6796
151ee0a22151453
hexeb81a31bc160

258942019813728 has 96 divisors (see below), whose sum is σ = 702638982097920. Its totient is φ = 83411869754880.

The previous prime is 258942019813721. The next prime is 258942019813733. The reversal of 258942019813728 is 827318910249852.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258942019813721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59251150 + ... + 63471117.

It is an arithmetic number, because the mean of its divisors is an integer number (7319156063520).

Almost surely, 2258942019813728 is an apocalyptic number.

It is an amenable number.

258942019813728 is an abundant number, since it is smaller than the sum of its proper divisors (443696962284192).

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

258942019813728 is a wasteful number, since it uses less digits than its factorization.

258942019813728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122723020 (or 122723012 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 69.

The spelling of 258942019813728 in words is "two hundred fifty-eight trillion, nine hundred forty-two billion, nineteen million, eight hundred thirteen thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 709 744 992 1418 1488 2127 2836 2976 4254 5672 8508 11344 17016 21979 22688 34032 43958 65937 68064 87916 131874 175832 263748 351664 527496 703328 1054992 2109984 122722267 245444534 368166801 490889068 736333602 981778136 1472667204 1963556272 2945334408 3804390277 3927112544 5890668816 7608780554 11413170831 11781337632 15217561108 22826341662 30435122216 45652683324 60870244432 87010087303 91305366648 121740488864 174020174606 182610733296 261030261909 348040349212 365221466592 522060523818 696080698424 1044121047636 1392161396848 2088242095272 2697312706393 2784322793696 4176484190544 5394625412786 8091938119179 8352968381088 10789250825572 16183876238358 21578501651144 32367752476716 43157003302288 64735504953432 86314006604576 129471009906864 258942019813728