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4764551381 is a prime number
BaseRepresentation
bin1000110111111110…
…10100100011010101
3110022001100021202222
410123333110203111
534224211121011
62104440512125
7226033006232
oct43377244325
913261307688
104764551381
112025512a77
12b0b77b645
135ac142595
14332ad2789
151cd448ddb
hex11bfd48d5

4764551381 has 2 divisors, whose sum is σ = 4764551382. Its totient is φ = 4764551380.

The previous prime is 4764551357. The next prime is 4764551423. The reversal of 4764551381 is 1831554674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4520410756 + 244140625 = 67234^2 + 15625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4764551381 - 230 = 3690809557 is a prime.

It is a super-2 number, since 2×47645513812 = 45401899724378014322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4764851381) 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, 2382275690 + 2382275691.

It is an arithmetic number, because the mean of its divisors is an integer number (2382275691).

Almost surely, 24764551381 is an apocalyptic number.

It is an amenable number.

4764551381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4764551381 is an equidigital number, since it uses as much as digits as its factorization.

4764551381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 4764551381 is about 69025.7298476445. The cubic root of 4764551381 is about 1682.7024933593.

The spelling of 4764551381 in words is "four billion, seven hundred sixty-four million, five hundred fifty-one thousand, three hundred eighty-one".