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86378801272 = 2319954258041
BaseRepresentation
bin101000001110010010…
…0111110100001111000
322020221212221202022221
41100130210332201320
52403400433120042
6103403141253424
76145355460601
oct1203444764170
9266855852287
1086378801272
11336a6643975
12148a8104274
1381b782c23a
144275dd0da8
1523a84cdd67
hex141c93e878

86378801272 has 16 divisors (see below), whose sum is σ = 162774126000. Its totient is φ = 42972367680.

The previous prime is 86378801231. The next prime is 86378801273. The reversal of 86378801272 is 27210887368.

It is a super-2 number, since 2×863788012722 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86378801273) 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 3 ways as a sum of consecutive naturals, for example, 27127429 + ... + 27130612.

It is an arithmetic number, because the mean of its divisors is an integer number (10173382875).

Almost surely, 286378801272 is an apocalyptic number.

It is an amenable number.

86378801272 is a deficient number, since it is larger than the sum of its proper divisors (76395324728).

86378801272 is a wasteful number, since it uses less digits than its factorization.

86378801272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54258246 (or 54258242 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 86378801272 in words is "eighty-six billion, three hundred seventy-eight million, eight hundred one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 199 398 796 1592 54258041 108516082 217032164 434064328 10797350159 21594700318 43189400636 86378801272