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140142300401 = 773181296637
BaseRepresentation
bin1000001010000100100…
…0011100110011110001
3111101201202110111012102
42002201020130303301
54244002412103101
6144214103510145
713060566620165
oct2024110346361
9441652414172
10140142300401
1154485747584
12231b1458355
13102a51c640c
146ad64b0ca5
1539a347e86b
hex20a121ccf1

140142300401 has 4 divisors (see below), whose sum is σ = 140323597812. Its totient is φ = 139961002992.

The previous prime is 140142300383. The next prime is 140142300457. The reversal of 140142300401 is 104003241041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104003241041 = 714857605863.

It can be written as a sum of positive squares in 2 ways, for example, as 81578784400 + 58563516001 = 285620^2 + 241999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140142300401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140142300301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90647546 + ... + 90649091.

It is an arithmetic number, because the mean of its divisors is an integer number (35080899453).

Almost surely, 2140142300401 is an apocalyptic number.

It is an amenable number.

140142300401 is a deficient number, since it is larger than the sum of its proper divisors (181297411).

140142300401 is an equidigital number, since it uses as much as digits as its factorization.

140142300401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181297410.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140142300401 its reverse (104003241041), we get a palindrome (244145541442).

The spelling of 140142300401 in words is "one hundred forty billion, one hundred forty-two million, three hundred thousand, four hundred one".

Divisors: 1 773 181296637 140142300401