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86615423196 = 223192118832039
BaseRepresentation
bin101000010101010101…
…1100111100011011100
322021120101012101120220
41100222223213203130
52404342022020241
6103442433041340
76154260643461
oct1205253474334
9267511171526
1086615423196
113380816a485
12149533b6250
138224869603
1442995c7668
1523be16e166
hex142aae78dc

86615423196 has 96 divisors (see below), whose sum is σ = 214094899200. Its totient is φ = 27178441920.

The previous prime is 86615423189. The next prime is 86615423197. The reversal of 86615423196 is 69132451668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86615423197) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42478345 + ... + 42480383.

It is an arithmetic number, because the mean of its divisors is an integer number (2230155200).

Almost surely, 286615423196 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 86615423196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107047449600).

86615423196 is an abundant number, since it is smaller than the sum of its proper divisors (127479476004).

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

86615423196 is a wasteful number, since it uses less digits than its factorization.

86615423196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3157 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 86615423196 in words is "eighty-six billion, six hundred fifteen million, four hundred twenty-three thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 211 228 422 633 844 883 1266 1766 2039 2532 2649 3532 4009 4078 5298 6117 8018 8156 10596 12027 12234 16036 16777 24054 24468 33554 38741 48108 50331 67108 77482 100662 116223 154964 186313 201324 232446 372626 430229 464892 558939 745252 860458 1117878 1290687 1720916 1800437 2235756 2581374 3539947 3600874 5162748 5401311 7079894 7201748 8174351 10619841 10802622 14159788 16348702 21239682 21605244 24523053 32697404 34208303 42479364 49046106 68416606 98092212 102624909 136833212 205249818 379892207 410499636 759784414 1139676621 1519568828 2279353242 4558706484 7217951933 14435903866 21653855799 28871807732 43307711598 86615423196