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3888535680 = 27335307733
BaseRepresentation
bin1110011111000110…
…0101100010000000
3101000222222002011000
43213301211202000
530430431120210
61441504452000
7165235002501
oct34761454200
911028862130
103888535680
111715a82457
1290631a000
1349c7c59b3
1428c61aba8
1517b5a8ac0
hexe7c65880

3888535680 has 256 divisors, whose sum is σ = 13835606400. Its totient is φ = 1032155136.

The previous prime is 3888535663. The next prime is 3888535691. The reversal of 3888535680 is 865358883.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5304594 + ... + 5305326.

Almost surely, 23888535680 is an apocalyptic number.

3888535680 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 3888535680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6917803200).

3888535680 is an abundant number, since it is smaller than the sum of its proper divisors (9947070720).

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

3888535680 is a wasteful number, since it uses less digits than its factorization.

3888535680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The square root of 3888535680 is about 62358.1244105369. The cubic root of 3888535680 is about 1572.5170491941.

The spelling of 3888535680 in words is "three billion, eight hundred eighty-eight million, five hundred thirty-five thousand, six hundred eighty".