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86282136990 = 23257541253153
BaseRepresentation
bin101000001011011010…
…0001110110110011110
322020201011001200212100
41100112310032312132
52403201211340430
6103345405345530
76143103030540
oct1202664166636
9266634050770
1086282136990
1133657020635
121487b8682a6
1381a07b5b3a
14426722b690
15239ec87960
hex1416d0ed9e

86282136990 has 96 divisors (see below), whose sum is σ = 256856124096. Its totient is φ = 19685099520.

The previous prime is 86282136979. The next prime is 86282137009. The reversal of 86282136990 is 9963128268.

86282136990 is a `hidden beast` number, since 8 + 628 + 2 + 1 + 3 + 6 + 9 + 9 + 0 = 666.

It is a super-2 number, since 2×862821369902 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 214254 + ... + 467406.

It is an arithmetic number, because the mean of its divisors is an integer number (2675584626).

Almost surely, 286282136990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86282136990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128428062048).

86282136990 is an abundant number, since it is smaller than the sum of its proper divisors (170573987106).

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

86282136990 is a wasteful number, since it uses less digits than its factorization.

86282136990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253714 (or 253711 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

It can be divided in two parts, 862821 and 36990, that added together give a triangular number (899811 = T1341).

The spelling of 86282136990 in words is "eighty-six billion, two hundred eighty-two million, one hundred thirty-six thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 541 630 1082 1623 2705 3246 3787 4869 5410 7574 8115 9738 11361 16230 18935 22722 24345 34083 37870 48690 56805 68166 113610 170415 253153 340830 506306 759459 1265765 1518918 1772071 2278377 2531530 3544142 3797295 4556754 5316213 7594590 8860355 10632426 11391885 15948639 17720710 22783770 26581065 31897278 53162130 79743195 136955773 159486390 273911546 410867319 684778865 821734638 958690411 1232601957 1369557730 1917380822 2054336595 2465203914 2876071233 4108673190 4793452055 5752142466 6163009785 8628213699 9586904110 12326019570 14380356165 17256427398 28760712330 43141068495 86282136990