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4987076640 = 25357132931127
BaseRepresentation
bin1001010010100000…
…01100000000100000
3110212120001202001020
410221100030000200
540203142423030
62142510205440
7234404311020
oct45120140040
913776052036
104987076640
11212a090547
12b721b3880
13616285530
14354499a80
151e2c52510
hex12940c020

4987076640 has 768 divisors, whose sum is σ = 20808990720. Its totient is φ = 975421440.

The previous prime is 4987076621. The next prime is 4987076681. The reversal of 4987076640 is 466707894.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39268257 + ... + 39268383.

It is an arithmetic number, because the mean of its divisors is an integer number (27095040).

Almost surely, 24987076640 is an apocalyptic number.

4987076640 is a gapful number since it is divisible by the number (40) 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 4987076640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10404495360).

4987076640 is an abundant number, since it is smaller than the sum of its proper divisors (15821914080).

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

4987076640 is a wasteful number, since it uses less digits than its factorization.

4987076640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 4987076640 is about 70619.2370392091. The cubic root of 4987076640 is about 1708.5014332515.

The spelling of 4987076640 in words is "four billion, nine hundred eighty-seven million, seventy-six thousand, six hundred forty".