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1026040141 = 7146577163
BaseRepresentation
bin111101001010000…
…010000101001101
32122111200020110201
4331022002011031
54100131241031
6245451333501
734266124450
oct7512020515
92574606421
101026040141
1148719a165
12247751291
13134756959
149a3a9497
1560126d61
hex3d28214d

1026040141 has 4 divisors (see below), whose sum is σ = 1172617312. Its totient is φ = 879462972.

The previous prime is 1026040123. The next prime is 1026040159. The reversal of 1026040141 is 1410406201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410406201 = 1738152637.

It is an interprime number because it is at equal distance from previous prime (1026040123) and next prime (1026040159).

It is a cyclic number.

It is not a de Polignac number, because 1026040141 - 229 = 489169229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73288575 + ... + 73288588.

It is an arithmetic number, because the mean of its divisors is an integer number (293154328).

Almost surely, 21026040141 is an apocalyptic number.

It is an amenable number.

1026040141 is a deficient number, since it is larger than the sum of its proper divisors (146577171).

1026040141 is an equidigital number, since it uses as much as digits as its factorization.

1026040141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146577170.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1026040141 is about 32031.8613414831. The cubic root of 1026040141 is about 1008.6057751873.

Adding to 1026040141 its reverse (1410406201), we get a palindrome (2436446342).

The spelling of 1026040141 in words is "one billion, twenty-six million, forty thousand, one hundred forty-one".

Divisors: 1 7 146577163 1026040141