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86894403972 = 22323595336183
BaseRepresentation
bin101000011101101001…
…1110110000110000100
322022021211011002021020
41100323103312012010
52410424431411342
6103530240351140
76164216150505
oct1207323660604
9268254132236
1086894403972
1133940697902
1214a109154b0
13826a5b80ac
1442c4688bac
1523d88ca0ec
hex143b4f6184

86894403972 has 48 divisors (see below), whose sum is σ = 215154938880. Its totient is φ = 27235872928.

The previous prime is 86894403971. The next prime is 86894403997. The reversal of 86894403972 is 27930449868.

It is not an unprimeable number, because it can be changed into a prime (86894403971) 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 15 ways as a sum of consecutive naturals, for example, 2651808 + ... + 2684375.

It is an arithmetic number, because the mean of its divisors is an integer number (4482394560).

Almost surely, 286894403972 is an apocalyptic number.

It is an amenable number.

86894403972 is an abundant number, since it is smaller than the sum of its proper divisors (128260534908).

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

86894403972 is a wasteful number, since it uses less digits than its factorization.

86894403972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336272 (or 5336270 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 86894403972 in words is "eighty-six billion, eight hundred ninety-four million, four hundred three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 59 69 92 118 138 177 236 276 354 708 1357 2714 4071 5428 8142 16284 5336183 10672366 16008549 21344732 32017098 64034196 122732209 245464418 314834797 368196627 490928836 629669594 736393254 944504391 1259339188 1472786508 1889008782 3778017564 7241200331 14482400662 21723600993 28964801324 43447201986 86894403972