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5454131509 is a prime number
BaseRepresentation
bin1010001010001011…
…10111000100110101
3112002002220120212201
411011011313010311
542132224202014
62301112544501
7252105232021
oct50505670465
915062816781
105454131509
112349795802
1210826b2131
1368bc73c68
1439a517381
1521dc5de74
hex145177135

5454131509 has 2 divisors, whose sum is σ = 5454131510. Its totient is φ = 5454131508.

The previous prime is 5454131453. The next prime is 5454131531. The reversal of 5454131509 is 9051314545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4560300900 + 893830609 = 67530^2 + 29897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5454131509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5454137509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727065754 + 2727065755.

It is an arithmetic number, because the mean of its divisors is an integer number (2727065755).

Almost surely, 25454131509 is an apocalyptic number.

It is an amenable number.

5454131509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5454131509 is an equidigital number, since it uses as much as digits as its factorization.

5454131509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 5454131509 is about 73852.0921098380. The cubic root of 5454131509 is about 1760.2534402805.

The spelling of 5454131509 in words is "five billion, four hundred fifty-four million, one hundred thirty-one thousand, five hundred nine".