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3872746780 = 225727662477
BaseRepresentation
bin1110011011010101…
…0110110100011100
3100222220020220211221
43212311112310130
530412410344110
61440142223124
7164653542640
oct34665266434
910886226757
103872746780
111708078a81
12900b84aa4
13499458256
1428a4aac20
15179eda7da
hexe6d56d1c

3872746780 has 24 divisors (see below), whose sum is σ = 9294592608. Its totient is φ = 1327798848.

The previous prime is 3872746753. The next prime is 3872746817. The reversal of 3872746780 is 876472783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13831099 + ... + 13831378.

It is an arithmetic number, because the mean of its divisors is an integer number (387274692).

Almost surely, 23872746780 is an apocalyptic number.

It is an amenable number.

3872746780 is an abundant number, since it is smaller than the sum of its proper divisors (5421845828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3872746780 is a wasteful number, since it uses less digits than its factorization.

3872746780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27662493 (or 27662491 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

The square root of 3872746780 is about 62231.3970596836. The cubic root of 3872746780 is about 1570.3858275249.

The spelling of 3872746780 in words is "three billion, eight hundred seventy-two million, seven hundred forty-six thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 27662477 55324954 110649908 138312385 193637339 276624770 387274678 553249540 774549356 968186695 1936373390 3872746780