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488447139036 = 223233787754539
BaseRepresentation
bin1110001101110011011…
…01111101110011011100
31201200202201110120100010
413012321231331303130
531000314431422121
61012220045203220
750201114115063
oct7067155756334
91650681416303
10488447139036
1117917074901a
127a7b7b60510
13370a282097c
14198d8b5b1da
15ca8b788376
hex71b9b7dcdc

488447139036 has 96 divisors (see below), whose sum is σ = 1222819960320. Its totient is φ = 151352112384.

The previous prime is 488447138947. The next prime is 488447139041. The reversal of 488447139036 is 630931744884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8928655 + ... + 8983193.

It is an arithmetic number, because the mean of its divisors is an integer number (12737707920).

Almost surely, 2488447139036 is an apocalyptic number.

488447139036 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488447139036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611409980160).

488447139036 is an abundant number, since it is smaller than the sum of its proper divisors (734372821284).

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

488447139036 is a wasteful number, since it uses less digits than its factorization.

488447139036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55483 (or 55481 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 488447139036 in words is "four hundred eighty-eight billion, four hundred forty-seven million, one hundred thirty-nine thousand, thirty-six".

Divisors: 1 2 3 4 6 12 23 37 46 69 74 92 111 138 148 222 276 444 851 877 1702 1754 2553 2631 3404 3508 5106 5262 10212 10524 20171 32449 40342 54539 60513 64898 80684 97347 109078 121026 129796 163617 194694 218156 242052 327234 389388 654468 746327 1254397 1492654 2017943 2238981 2508794 2985308 3763191 4035886 4477962 5017588 6053829 7526382 8071772 8955924 12107658 15052764 24215316 46412689 47830703 92825378 95661406 139238067 143492109 185650756 191322812 278476134 286984218 556952268 573968436 1100106169 1769736011 2200212338 3300318507 3539472022 4400424676 5309208033 6600637014 7078944044 10618416066 13201274028 21236832132 40703928253 81407856506 122111784759 162815713012 244223569518 488447139036