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140223404310421 = 239762852265491
BaseRepresentation
bin11111111000100001001110…
…001100111111111110010101
3200101111020010010212101022111
4133320201032030333332111
5121334410013000413141
61214121424224431021
741351543451426205
oct3770411614777625
9611436103771274
10140223404310421
1140752459131253
121388829a478471
1360320197ac263
14268abc5864405
1511327ec4d6381
hex7f884e33ff95

140223404310421 has 8 divisors (see below), whose sum is σ = 147828528437184. Its totient is φ = 132743984714880.

The previous prime is 140223404310371. The next prime is 140223404310449. The reversal of 140223404310421 is 124013404322041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140223404310421 - 27 = 140223404310293 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 (140223404310491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31426130515 + ... + 31426134976.

It is an arithmetic number, because the mean of its divisors is an integer number (18478566054648).

Almost surely, 2140223404310421 is an apocalyptic number.

It is an amenable number.

140223404310421 is a deficient number, since it is larger than the sum of its proper divisors (7605124126763).

140223404310421 is an equidigital number, since it uses as much as digits as its factorization.

140223404310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62852265611.

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

Adding to 140223404310421 its reverse (124013404322041), we get a palindrome (264236808632462).

The spelling of 140223404310421 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred four million, three hundred ten thousand, four hundred twenty-one".

Divisors: 1 23 97 2231 62852265491 1445602106293 6096669752627 140223404310421