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3878542080 = 28325726871
BaseRepresentation
bin1110011100101101…
…1101101100000000
3101000022011100111200
43213023131230000
530420401321310
61440510341200
7165054030600
oct34713355400
911008140450
103878542080
111710377086
12902aba800
1349a70701a
1428b178c00
1517a7829c0
hexe72ddb00

3878542080 has 324 divisors, whose sum is σ = 15612538032. Its totient is φ = 886394880.

The previous prime is 3878542043. The next prime is 3878542103. The reversal of 3878542080 is 802458783.

3878542080 is a `hidden beast` number, since 38 + 78 + 542 + 0 + 8 + 0 = 666.

3878542080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 561045 + ... + 567915.

Almost surely, 23878542080 is an apocalyptic number.

3878542080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7806269016).

3878542080 is an abundant number, since it is smaller than the sum of its proper divisors (11733995952).

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

3878542080 is a wasteful number, since it uses less digits than its factorization.

3878542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 3878542080 is about 62277.9421625346. The cubic root of 3878542080 is about 1571.1687620217.

The spelling of 3878542080 in words is "three billion, eight hundred seventy-eight million, five hundred forty-two thousand, eighty".