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5403145381 is a prime number
BaseRepresentation
bin1010000100000110…
…10111010010100101
3111221112222020001121
411002003113102211
542031201123011
62252052053541
7250615656304
oct50203272245
914845866047
105403145381
112322a31107
1210696042b1
13681531a5a
1439384443b
1521953be71
hex1420d74a5

5403145381 has 2 divisors, whose sum is σ = 5403145382. Its totient is φ = 5403145380.

The previous prime is 5403145379. The next prime is 5403145439. The reversal of 5403145381 is 1835413045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5359704100 + 43441281 = 73210^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 5403145381 - 21 = 5403145379 is a prime.

It is a super-2 number, since 2×54031453812 = 58387960016443270322, which contains 22 as substring.

Together with 5403145379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5403145301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701572690 + 2701572691.

It is an arithmetic number, because the mean of its divisors is an integer number (2701572691).

Almost surely, 25403145381 is an apocalyptic number.

It is an amenable number.

5403145381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5403145381 is an equidigital number, since it uses as much as digits as its factorization.

5403145381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 5403145381 is about 73506.0907748467. The cubic root of 5403145381 is about 1754.7512119908.

The spelling of 5403145381 in words is "five billion, four hundred three million, one hundred forty-five thousand, three hundred eighty-one".