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86854400445868 = 22111973963646497
BaseRepresentation
bin10011101111111001011101…
…101011111000110110101100
3102101112012101111120022001021
4103233321131223320312230
542341010303003231433
6504420205530223524
724203011003442536
oct2357713553706654
9371465344508037
1086854400445868
1125746820842460
1298a8b6ab84ba4
133960447799303
141763abda2c856
15a09437a2e22d
hex4efe5daf8dac

86854400445868 has 12 divisors (see below), whose sum is σ = 165812946305832. Its totient is φ = 39479272929920.

The previous prime is 86854400445863. The next prime is 86854400445877.

86854400445868 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×868544004458682 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86854400445797 and 86854400445806.

It is not an unprimeable number, because it can be changed into a prime (86854400445863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986981823205 + ... + 986981823292.

It is an arithmetic number, because the mean of its divisors is an integer number (13817745525486).

Almost surely, 286854400445868 is an apocalyptic number.

It is an amenable number.

86854400445868 is a deficient number, since it is larger than the sum of its proper divisors (78958545859964).

86854400445868 is a wasteful number, since it uses less digits than its factorization.

86854400445868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973963646512 (or 1973963646510 counting only the distinct ones).

The product of its (nonzero) digits is 943718400, while the sum is 70.

The spelling of 86854400445868 in words is "eighty-six trillion, eight hundred fifty-four billion, four hundred million, four hundred forty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 1973963646497 3947927292994 7895854585988 21713600111467 43427200222934 86854400445868