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49115791589384 = 231321031877187907
BaseRepresentation
bin10110010101011101010010…
…10011111000000000001000
320102220102102222001001002102
423022232221103320000020
522414203120121330014
6252243252210252532
713226333050063562
oct1312565123700010
9212812388031072
1049115791589384
11147169879a7113
125612b77287148
1321537a37ac800
14c1b307622332
155a2933bac8de
hex2caba94f8008

49115791589384 has 96 divisors (see below), whose sum is σ = 100743386627520. Its totient is φ = 22436661881088.

The previous prime is 49115791589377. The next prime is 49115791589477. The reversal of 49115791589384 is 48398519751194.

It is a super-2 number, since 2×491157915893842 (a number of 28 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 261289559 + ... + 261477465.

It is an arithmetic number, because the mean of its divisors is an integer number (1049410277370).

Almost surely, 249115791589384 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 49115791589384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50371693313760).

49115791589384 is an abundant number, since it is smaller than the sum of its proper divisors (51627595038136).

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

49115791589384 is a wasteful number, since it uses less digits than its factorization.

49115791589384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189919 (or 189902 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 74.

The spelling of 49115791589384 in words is "forty-nine trillion, one hundred fifteen billion, seven hundred ninety-one million, five hundred eighty-nine thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 103 104 169 206 338 412 676 824 1339 1352 1877 2678 3754 5356 7508 10712 15016 17407 24401 34814 48802 69628 97604 139256 187907 193331 195208 317213 375814 386662 634426 751628 773324 1268852 1503256 1546648 2442791 2513303 2537704 4885582 5026606 9771164 10053212 19354421 19542328 20106424 31756283 32672939 38708842 63512566 65345878 77417684 127025132 130691756 154835368 251607473 254050264 261383512 352701439 503214946 705402878 1006429892 1410805756 2012859784 2821611512 3270897149 4585118707 6541794298 9170237414 13083588596 18340474828 26167177192 36328248217 36680949656 59606543191 72656496434 119213086382 145312992868 238426172764 290625985736 472267226821 476852345528 944534453642 1889068907284 3778137814568 6139473948673 12278947897346 24557895794692 49115791589384