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140302610401 = 488928697609
BaseRepresentation
bin1000001010101010101…
…1111110111111100001
3111102010221010002011211
42002222223332333201
54244314432013101
6144242031510121
713064554340242
oct2025253767741
9442127102154
10140302610401
1154558190888
1223237088341
13102cc494cc5
146b0d8c0cc9
1539b2598c51
hex20aaafefe1

140302610401 has 4 divisors (see below), whose sum is σ = 140331312900. Its totient is φ = 140273907904.

The previous prime is 140302610387. The next prime is 140302610411. The reversal of 140302610401 is 104016203041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104016203041 = 472213110703.

It can be written as a sum of positive squares in 2 ways, for example, as 38809394001 + 101493216400 = 197001^2 + 318580^2 .

It is a cyclic number.

It is not a de Polignac number, because 140302610401 - 25 = 140302610369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140302610411) 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, 14343916 + ... + 14353693.

It is an arithmetic number, because the mean of its divisors is an integer number (35082828225).

Almost surely, 2140302610401 is an apocalyptic number.

It is an amenable number.

140302610401 is a deficient number, since it is larger than the sum of its proper divisors (28702499).

140302610401 is an equidigital number, since it uses as much as digits as its factorization.

140302610401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28702498.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 140302610401 its reverse (104016203041), we get a palindrome (244318813442).

The spelling of 140302610401 in words is "one hundred forty billion, three hundred two million, six hundred ten thousand, four hundred one".

Divisors: 1 4889 28697609 140302610401