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415678456868 = 22294187400853
BaseRepresentation
bin1100000110010000101…
…11011110010000100100
31110201221100100111112112
412003020113132100210
523302302141104433
6514543211540152
742013620404543
oct6031027362044
91421840314475
10415678456868
1115031971a074
1268689a5a658
13302768c2b5c
141619455415a
15ac2d077348
hex60c85de424

415678456868 has 24 divisors (see below), whose sum is σ = 770875532280. Its totient is φ = 195777908480.

The previous prime is 415678456867. The next prime is 415678456873. The reversal of 415678456868 is 868654876514.

It can be written as a sum of positive squares in 4 ways, for example, as 5287034944 + 410391421924 = 72712^2 + 640618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 415678456798 and 415678456807.

It is not an unprimeable number, because it can be changed into a prime (415678456867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43695671 + ... + 43705182.

It is an arithmetic number, because the mean of its divisors is an integer number (32119813845).

Almost surely, 2415678456868 is an apocalyptic number.

It is an amenable number.

415678456868 is a deficient number, since it is larger than the sum of its proper divisors (355197075412).

415678456868 is a wasteful number, since it uses less digits than its factorization.

415678456868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87400927 (or 87400925 counting only the distinct ones).

The product of its digits is 309657600, while the sum is 68.

The spelling of 415678456868 in words is "four hundred fifteen billion, six hundred seventy-eight million, four hundred fifty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 29 41 58 82 116 164 1189 2378 4756 87400853 174801706 349603412 2534624737 3583434973 5069249474 7166869946 10138498948 14333739892 103919614217 207839228434 415678456868