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4887945972 = 223571373757
BaseRepresentation
bin1001000110101100…
…00010001011110100
3110121122112101100000
410203112002023310
540002303232342
62125005351300
7232061566230
oct44326021364
913548471300
104887945972
112089133178
12b44b68530
135cb887630
143452535c0
151d91c044c
hex1235822f4

4887945972 has 288 divisors, whose sum is σ = 16007310592. Its totient is φ = 1269789696.

The previous prime is 4887945941. The next prime is 4887945973. The reversal of 4887945972 is 2795497884.

4887945972 is a `hidden beast` number, since 48 + 8 + 79 + 459 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4887945973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6456618 + ... + 6457374.

Almost surely, 24887945972 is an apocalyptic number.

4887945972 is a gapful number since it is divisible by the number (42) 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 4887945972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8003655296).

4887945972 is an abundant number, since it is smaller than the sum of its proper divisors (11119364620).

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

4887945972 is a wasteful number, since it uses less digits than its factorization.

4887945972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 855 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 4887945972 is about 69913.8467830229. The cubic root of 4887945972 is about 1697.1053359801.

The spelling of 4887945972 in words is "four billion, eight hundred eighty-seven million, nine hundred forty-five thousand, nine hundred seventy-two".