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3876986880 = 21332513809
BaseRepresentation
bin1110011100010110…
…0010000000000000
3101000012020100011200
43213011202000000
530420002040010
61440413141200
7165034562514
oct34705420000
911005210150
103876986880
11170a504698
1290248a800
1349a2b11a0
1428ac92144
1517a576cc0
hexe7162000

3876986880 has 336 divisors, whose sum is σ = 14491091160. Its totient is φ = 953155584.

The previous prime is 3876986863. The next prime is 3876986891. The reversal of 3876986880 is 886896783.

It can be written as a sum of positive squares in 4 ways, for example, as 3164737536 + 712249344 = 56256^2 + 26688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4791916 + ... + 4792724.

Almost surely, 23876986880 is an apocalyptic number.

3876986880 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 3876986880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7245545580).

3876986880 is an abundant number, since it is smaller than the sum of its proper divisors (10614104280).

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

3876986880 is a wasteful number, since it uses less digits than its factorization.

3876986880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 3876986880 is about 62265.4549489522. The cubic root of 3876986880 is about 1570.9587339344.

The spelling of 3876986880 in words is "three billion, eight hundred seventy-six million, nine hundred eighty-six thousand, eight hundred eighty".