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2940868477 is a prime number
BaseRepresentation
bin1010111101001010…
…0001011101111101
321120221202121010201
42233102201131331
522010330242402
61203453003501
7132606653401
oct25722413575
97527677121
102940868477
11127a053018
126a0a83591
1337b37c981
141dc813101
151232b3687
hexaf4a177d

2940868477 has 2 divisors, whose sum is σ = 2940868478. Its totient is φ = 2940868476.

The previous prime is 2940868439. The next prime is 2940868523. The reversal of 2940868477 is 7748680492.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2813878116 + 126990361 = 53046^2 + 11269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2940868477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940868417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470434238 + 1470434239.

It is an arithmetic number, because the mean of its divisors is an integer number (1470434239).

Almost surely, 22940868477 is an apocalyptic number.

It is an amenable number.

2940868477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940868477 is an equidigital number, since it uses as much as digits as its factorization.

2940868477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The square root of 2940868477 is about 54229.7748197427. The cubic root of 2940868477 is about 1432.7107979744.

The spelling of 2940868477 in words is "two billion, nine hundred forty million, eight hundred sixty-eight thousand, four hundred seventy-seven".