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140404104324031 = 311451460142521
BaseRepresentation
bin11111111011001001100000…
…110000110110001110111111
3200102010111112102211011201011
4133323021200300312032333
5121400340101201332111
61214340431033100051
741400601410255262
oct3773114060661677
9612114472734634
10140404104324031
1140812056621a79
12138b730a557627
136046086469132
1426958485dccd9
1511373763b6021
hex7fb260c363bf

140404104324031 has 4 divisors (see below), whose sum is σ = 140855564466864. Its totient is φ = 139952644181200.

The previous prime is 140404104323981. The next prime is 140404104324067. The reversal of 140404104324031 is 130423401404041.

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

It is a cyclic number.

It is not a de Polignac number, because 140404104324031 - 215 = 140404104291263 is a prime.

It is a super-2 number, since 2×1404041043240312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140404104323984 and 140404104324002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140404104321031) 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, 225730070950 + ... + 225730071571.

It is an arithmetic number, because the mean of its divisors is an integer number (35213891116716).

Almost surely, 2140404104324031 is an apocalyptic number.

140404104324031 is a deficient number, since it is larger than the sum of its proper divisors (451460142833).

140404104324031 is an equidigital number, since it uses as much as digits as its factorization.

140404104324031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451460142832.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140404104324031 its reverse (130423401404041), we get a palindrome (270827505728072).

The spelling of 140404104324031 in words is "one hundred forty trillion, four hundred four billion, one hundred four million, three hundred twenty-four thousand, thirty-one".

Divisors: 1 311 451460142521 140404104324031