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1440214242101 = 9072371587473
BaseRepresentation
bin10100111101010011011…
…101010101001100110101
312002200110000011221212222
4110331103131111030311
5142044024321221401
63021343021252125
7206023565033255
oct24752335251465
95080400157788
101440214242101
11505878436618
121b3158a04045
13a5a7218c0bb
144d9c7425965
15276e3865c1b
hex14f53755335

1440214242101 has 4 divisors (see below), whose sum is σ = 1440216736812. Its totient is φ = 1440211747392.

The previous prime is 1440214242067. The next prime is 1440214242157. The reversal of 1440214242101 is 1012424120441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1069879922500 + 370334319601 = 1034350^2 + 608551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440214242101 - 210 = 1440214241077 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 (1440210242101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113501 + ... + 1700973.

It is an arithmetic number, because the mean of its divisors is an integer number (360054184203).

Almost surely, 21440214242101 is an apocalyptic number.

It is an amenable number.

1440214242101 is a deficient number, since it is larger than the sum of its proper divisors (2494711).

1440214242101 is an equidigital number, since it uses as much as digits as its factorization.

1440214242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494710.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 1440214242101 its reverse (1012424120441), we get a palindrome (2452638362542).

The spelling of 1440214242101 in words is "one trillion, four hundred forty billion, two hundred fourteen million, two hundred forty-two thousand, one hundred one".

Divisors: 1 907237 1587473 1440214242101