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86402630171853 = 3245124921274933
BaseRepresentation
bin10011101001010100101110…
…000101000011110011001101
3102022221000021212002112000100
4103221110232011003303031
542311110041310444403
6503432453105321313
724125245502456202
oct2351245605036315
9368830255075010
1086402630171853
1125592171246a36
1298354aa036239
13392996b708548
141749ca3d9dca9
159ec7e615a2a3
hex4e952e143ccd

86402630171853 has 12 divisors (see below), whose sum is σ = 124804081577500. Its totient is φ = 57601623090816.

The previous prime is 86402630171843. The next prime is 86402630171887. The reversal of 86402630171853 is 35817103620468.

86402630171853 is a `hidden beast` number, since 8 + 6 + 402 + 63 + 0 + 171 + 8 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44714404255689 + 41688225916164 = 6686883^2 + 6456642^2 .

It is not a de Polignac number, because 86402630171853 - 26 = 86402630171789 is a prime.

It is a super-2 number, since 2×864026301718532 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86402630171853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86402630171843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6576226 + ... + 14698707.

Almost surely, 286402630171853 is an apocalyptic number.

It is an amenable number.

86402630171853 is a deficient number, since it is larger than the sum of its proper divisors (38401451405647).

86402630171853 is a wasteful number, since it uses less digits than its factorization.

86402630171853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21726188 (or 21726185 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 86402630171853 in words is "eighty-six trillion, four hundred two billion, six hundred thirty million, one hundred seventy-one thousand, eight hundred fifty-three".

Divisors: 1 3 9 451249 1353747 4061241 21274933 63824799 191474397 9600292241317 28800876723951 86402630171853