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1401213022423 = 19734921619431
BaseRepresentation
bin10100011000111110110…
…011011111000011010111
311221221202221111201102021
4110120332303133003113
5140424141013204143
62551413001554011
7203143236113404
oct24307663370327
94857687451367
101401213022423
114a0284248a65
121a76934a5907
13a219800a816
144bb677692ab
15266ae8bdced
hex1463ecdf0d7

1401213022423 has 16 divisors (see below), whose sum is σ = 1413164491200. Its totient is φ = 1389315110400.

The previous prime is 1401213022397. The next prime is 1401213022439. The reversal of 1401213022423 is 3242203121041.

It is a cyclic number.

It is not a de Polignac number, because 1401213022423 - 221 = 1401210925271 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 (1401213022453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148570518 + ... + 148579948.

It is an arithmetic number, because the mean of its divisors is an integer number (88322780700).

Almost surely, 21401213022423 is an apocalyptic number.

1401213022423 is a deficient number, since it is larger than the sum of its proper divisors (11951468777).

1401213022423 is a wasteful number, since it uses less digits than its factorization.

1401213022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1401213022423 its reverse (3242203121041), we get a palindrome (4643416143464).

The spelling of 1401213022423 in words is "one trillion, four hundred one billion, two hundred thirteen million, twenty-two thousand, four hundred twenty-three".

Divisors: 1 197 349 2161 9431 68753 425717 754189 1857907 3291419 20380391 148575233 648409543 4014937027 7112756459 1401213022423