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140430510401 = 526126692741
BaseRepresentation
bin1000001011001001001…
…1111000100101000001
3111102110211210001222212
42002302103320211001
54300100202313101
6144302441111505
713100666433446
oct2026223704501
9442424701885
10140430510401
11546133a8a65
1223271a88595
131031cb2698c
146b228959cd
1539bd9101bb
hex20b24f8941

140430510401 has 4 divisors (see below), whose sum is σ = 140457208404. Its totient is φ = 140403812400.

The previous prime is 140430510371. The next prime is 140430510413. The reversal of 140430510401 is 104015034041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104015034041 = 269386672989.

It can be written as a sum of positive squares in 2 ways, for example, as 60318868801 + 80111641600 = 245599^2 + 283040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140430510401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430510421) 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, 13341110 + ... + 13351631.

It is an arithmetic number, because the mean of its divisors is an integer number (35114302101).

Almost surely, 2140430510401 is an apocalyptic number.

It is an amenable number.

140430510401 is a deficient number, since it is larger than the sum of its proper divisors (26698003).

140430510401 is an equidigital number, since it uses as much as digits as its factorization.

140430510401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26698002.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 140430510401 its reverse (104015034041), we get a palindrome (244445544442).

The spelling of 140430510401 in words is "one hundred forty billion, four hundred thirty million, five hundred ten thousand, four hundred one".

Divisors: 1 5261 26692741 140430510401