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86954870216 = 2310869358777
BaseRepresentation
bin101000011111011101…
…0100000010111001000
322022110000221002100202
41100332322200113020
52411040421321331
6103540240351332
76165552126104
oct1207672402710
9268400832322
1086954870216
1133971837005
1214a29015548
138279c99336
1442cc708904
1523ddd70ecb
hex143eea05c8

86954870216 has 8 divisors (see below), whose sum is σ = 163040381670. Its totient is φ = 43477435104.

The previous prime is 86954870183. The next prime is 86954870267. The reversal of 86954870216 is 61207845968.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70325736100 + 16629134116 = 265190^2 + 128954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×869548702162 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5434679381 + ... + 5434679396.

Almost surely, 286954870216 is an apocalyptic number.

It is an amenable number.

86954870216 is a deficient number, since it is larger than the sum of its proper divisors (76085511454).

86954870216 is a wasteful number, since it uses less digits than its factorization.

86954870216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869358783 (or 10869358779 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 86954870216 in words is "eighty-six billion, nine hundred fifty-four million, eight hundred seventy thousand, two hundred sixteen".

Divisors: 1 2 4 8 10869358777 21738717554 43477435108 86954870216