Search a number
-
+
82869627480 = 233515130714897
BaseRepresentation
bin100110100101101101…
…0100010101001011000
321220220022211020212020
41031023122202221120
52324204111034410
6102023023414440
75662405132323
oct1151332425130
9256808736766
1082869627480
1132165820742
1214088a54420
137a78800143
144021d257ba
1522503ada70
hex134b6a2a58

82869627480 has 128 divisors (see below), whose sum is σ = 251087316480. Its totient is φ = 21879244800.

The previous prime is 82869627427. The next prime is 82869627499. The reversal of 82869627480 is 8472696828.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5555392 + ... + 5570288.

It is an arithmetic number, because the mean of its divisors is an integer number (1961619660).

Almost surely, 282869627480 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 82869627480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125543658240).

82869627480 is an abundant number, since it is smaller than the sum of its proper divisors (168217689000).

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

82869627480 is a wasteful number, since it uses less digits than its factorization.

82869627480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15369 (or 15365 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 82869627480 in words is "eighty-two billion, eight hundred sixty-nine million, six hundred twenty-seven thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 151 302 307 453 604 614 755 906 921 1208 1228 1510 1535 1812 1842 2265 2456 3020 3070 3624 3684 4530 4605 6040 6140 7368 9060 9210 12280 14897 18120 18420 29794 36840 44691 46357 59588 74485 89382 92714 119176 139071 148970 178764 185428 223455 231785 278142 297940 357528 370856 446910 463570 556284 595880 695355 893820 927140 1112568 1390710 1787640 1854280 2249447 2781420 4498894 4573379 5562840 6748341 8997788 9146758 11247235 13496682 13720137 17995576 18293516 22494470 22866895 26993364 27440274 33741705 36587032 44988940 45733790 53986728 54880548 67483410 68600685 89977880 91467580 109761096 134966820 137201370 182935160 269933640 274402740 548805480 690580229 1381160458 2071740687 2762320916 3452901145 4143481374 5524641832 6905802290 8286962748 10358703435 13811604580 16573925496 20717406870 27623209160 41434813740 82869627480