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4979768141 is a prime number
BaseRepresentation
bin1001010001101000…
…10011101101001101
3110212001022102200002
410220310103231031
540144310040031
62142045414045
7234255221315
oct45064235515
913761272602
104979768141
112125a49567
12b6b86a325
136148c6a8a
14353516445
151e22abccb
hex128d13b4d

4979768141 has 2 divisors, whose sum is σ = 4979768142. Its totient is φ = 4979768140.

The previous prime is 4979768093. The next prime is 4979768267. The reversal of 4979768141 is 1418679794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4867852900 + 111915241 = 69770^2 + 10579^2 .

It is a cyclic number.

It is not a de Polignac number, because 4979768141 - 214 = 4979751757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4979768041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489884070 + 2489884071.

It is an arithmetic number, because the mean of its divisors is an integer number (2489884071).

Almost surely, 24979768141 is an apocalyptic number.

It is an amenable number.

4979768141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979768141 is an equidigital number, since it uses as much as digits as its factorization.

4979768141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 4979768141 is about 70567.4722588247. The cubic root of 4979768141 is about 1707.6664293316. Note that the first 3 decimals are identical.

The spelling of 4979768141 in words is "four billion, nine hundred seventy-nine million, seven hundred sixty-eight thousand, one hundred forty-one".