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4930491789 = 3460870269
BaseRepresentation
bin1001001011110000…
…10101010110001101
3110201121120221020000
410211320111112031
540044201214124
62133125314513
7233116326426
oct44570252615
913647527200
104930491789
112100152503
12b57265a39
13607632b82
1434ab6a64d
151dccc66c9
hex125e1558d

4930491789 has 10 divisors (see below), whose sum is σ = 7365302670. Its totient is φ = 3286994472.

The previous prime is 4930491779. The next prime is 4930491799. The reversal of 4930491789 is 9871940394.

4930491789 is a `hidden beast` number, since 49 + 30 + 491 + 7 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (4930491779) and next prime (4930491799).

It can be written as a sum of positive squares in only one way, i.e., 3704791689 + 1225700100 = 60867^2 + 35010^2 .

It is not a de Polignac number, because 4930491789 - 27 = 4930491661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4930491719) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30435054 + ... + 30435215.

It is an arithmetic number, because the mean of its divisors is an integer number (736530267).

Almost surely, 24930491789 is an apocalyptic number.

It is an amenable number.

4930491789 is a deficient number, since it is larger than the sum of its proper divisors (2434810881).

4930491789 is an equidigital number, since it uses as much as digits as its factorization.

4930491789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60870281 (or 60870272 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 4930491789 is about 70217.4607131303. The cubic root of 4930491789 is about 1702.0151177911.

The spelling of 4930491789 in words is "four billion, nine hundred thirty million, four hundred ninety-one thousand, seven hundred eighty-nine".

Divisors: 1 3 9 27 81 60870269 182610807 547832421 1643497263 4930491789