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86215536468 = 223243355915649
BaseRepresentation
bin101000001001011011…
…0001010111101010100
322020112111202001010100
41100102312022331110
52403032134131333
6103335030054100
76141333653115
oct1202266127524
9266474661110
1086215536468
1133622471686
12148614aa330
13818ca67749
14425c45220c
152398ece213
hex1412d8af54

86215536468 has 72 divisors (see below), whose sum is σ = 223078856000. Its totient is φ = 28060494336.

The previous prime is 86215536467. The next prime is 86215536479. The reversal of 86215536468 is 86463551268.

86215536468 is a `hidden beast` number, since 8 + 6 + 21 + 553 + 6 + 4 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86215536467) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5501508 + ... + 5517156.

Almost surely, 286215536468 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 86215536468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111539428000).

86215536468 is an abundant number, since it is smaller than the sum of its proper divisors (136863319532).

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

86215536468 is a wasteful number, since it uses less digits than its factorization.

86215536468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19261 (or 19256 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 86215536468 in words is "eighty-six billion, two hundred fifteen million, five hundred thirty-six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 3559 7118 10677 14236 15649 21354 31298 32031 42708 46947 62596 64062 93894 128124 140841 153037 187788 281682 306074 459111 563364 612148 672907 918222 1345814 1377333 1836444 2018721 2691628 2754666 4037442 5509332 6056163 8074884 12112326 24224652 55694791 111389582 167084373 222779164 334168746 501253119 668337492 1002506238 2005012476 2394876013 4789752026 7184628039 9579504052 14369256078 21553884117 28738512156 43107768234 86215536468