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140430131243041 = 178260595955473
BaseRepresentation
bin11111111011100001110000…
…000101101010100000100001
3200102012222201022001122120111
4133323201300011222200201
5121401301402044234131
61214400413420211321
741402512364364523
oct3773416005524041
9612188638048514
10140430131243041
11408220a20984a2
1213900372999b41
136048673676323
142696bd70dda13
151137d9b2d5ab1
hex7fb87016a821

140430131243041 has 4 divisors (see below), whose sum is σ = 148690727198532. Its totient is φ = 132169535287552.

The previous prime is 140430131243021. The next prime is 140430131243063. The reversal of 140430131243041 is 140342131034041.

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 65510650638225 + 74919480604816 = 8093865^2 + 8655604^2 .

It is a cyclic number.

It is not a de Polignac number, because 140430131243041 - 29 = 140430131242529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140430131242994 and 140430131243012.

It is not an unprimeable number, because it can be changed into a prime (140430131243011) 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, 4130297977720 + ... + 4130297977753.

It is an arithmetic number, because the mean of its divisors is an integer number (37172681799633).

Almost surely, 2140430131243041 is an apocalyptic number.

It is an amenable number.

140430131243041 is a deficient number, since it is larger than the sum of its proper divisors (8260595955491).

140430131243041 is an equidigital number, since it uses as much as digits as its factorization.

140430131243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8260595955490.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 140430131243041 its reverse (140342131034041), we get a palindrome (280772262277082).

The spelling of 140430131243041 in words is "one hundred forty trillion, four hundred thirty billion, one hundred thirty-one million, two hundred forty-three thousand, forty-one".

Divisors: 1 17 8260595955473 140430131243041