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1015405141 is a prime number
BaseRepresentation
bin111100100001011…
…101101001010101
32121202122220222211
4330201131221111
54034420431031
6244431353421
734106541562
oct7441355125
92552586884
101015405141
11481195a03
12244082871
131324a205a
1498bdb869
155e225bb1
hex3c85da55

1015405141 has 2 divisors, whose sum is σ = 1015405142. Its totient is φ = 1015405140.

The previous prime is 1015405133. The next prime is 1015405187. The reversal of 1015405141 is 1415045101.

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., 996664900 + 18740241 = 31570^2 + 4329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015405141 - 23 = 1015405133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015405241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507702570 + 507702571.

It is an arithmetic number, because the mean of its divisors is an integer number (507702571).

Almost surely, 21015405141 is an apocalyptic number.

It is an amenable number.

1015405141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015405141 is an equidigital number, since it uses as much as digits as its factorization.

1015405141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1015405141 is about 31865.4223414660. The cubic root of 1015405141 is about 1005.1089016747.

The spelling of 1015405141 in words is "one billion, fifteen million, four hundred five thousand, one hundred forty-one".