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21040001341 = 234719463461
BaseRepresentation
bin10011100110000101…
…001111000100111101
32000022022110210212221
4103212011033010331
5321042220020331
613355440125341
71343251026532
oct234605170475
960268423787
1021040001341
118a17594467
1240b2306851
131ca3cac148
141038486d89
158321ee711
hex4e614f13d

21040001341 has 8 divisors (see below), whose sum is σ = 22421908224. Its totient is φ = 19697021520.

The previous prime is 21040001327. The next prime is 21040001383. The reversal of 21040001341 is 14310004012.

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

It is not a de Polignac number, because 21040001341 - 25 = 21040001309 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 (21040001141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9730650 + ... + 9732811.

It is an arithmetic number, because the mean of its divisors is an integer number (2802738528).

Almost surely, 221040001341 is an apocalyptic number.

It is an amenable number.

21040001341 is a deficient number, since it is larger than the sum of its proper divisors (1381906883).

21040001341 is a wasteful number, since it uses less digits than its factorization.

21040001341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463531.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21040001341 its reverse (14310004012), we get a palindrome (35350005353).

The spelling of 21040001341 in words is "twenty-one billion, forty million, one thousand, three hundred forty-one".

Divisors: 1 23 47 1081 19463461 447659603 914782667 21040001341