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4890787892 = 221222696973
BaseRepresentation
bin1001000111000001…
…11000000000110100
3110121211212202201022
410203200320000310
540004020203032
62125150320312
7232125003554
oct44340700064
913554782638
104890787892
11208a7a4371
12b45ab9098
135cc341043
14345793164
151d9582512
hex123838034

4890787892 has 6 divisors (see below), whose sum is σ = 8558878818. Its totient is φ = 2445393944.

The previous prime is 4890787877. The next prime is 4890787903. The reversal of 4890787892 is 2987870984.

It can be written as a sum of positive squares in only one way, i.e., 4888247056 + 2540836 = 69916^2 + 1594^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611348483 + ... + 611348490.

It is an arithmetic number, because the mean of its divisors is an integer number (1426479803).

Almost surely, 24890787892 is an apocalyptic number.

It is an amenable number.

4890787892 is a deficient number, since it is larger than the sum of its proper divisors (3668090926).

4890787892 is a wasteful number, since it uses less digits than its factorization.

4890787892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222696977 (or 1222696975 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 62.

The square root of 4890787892 is about 69934.1682727406. The cubic root of 4890787892 is about 1697.4341791656.

The spelling of 4890787892 in words is "four billion, eight hundred ninety million, seven hundred eighty-seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 1222696973 2445393946 4890787892