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2140404023 = 17208960271
BaseRepresentation
bin111111110010011…
…1111100100110111
312112011112210100002
41333210333210313
513340420412043
6552220141515
7104020063652
oct17744774467
95464483302
102140404023
119a922524a
124b899789b
13281596574
141643a6899
15c7d98bb8
hex7f93f937

2140404023 has 8 divisors (see below), whose sum is σ = 2267432640. Its totient is φ = 2013500160.

The previous prime is 2140403983. The next prime is 2140404041. The reversal of 2140404023 is 3204040412.

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 2140404023 - 212 = 2140399927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140403986 and 2140404004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140404323) 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, 5378 + ... + 65648.

It is an arithmetic number, because the mean of its divisors is an integer number (283429080).

Almost surely, 22140404023 is an apocalyptic number.

2140404023 is a deficient number, since it is larger than the sum of its proper divisors (127028617).

2140404023 is a wasteful number, since it uses less digits than its factorization.

2140404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62377.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2140404023 is about 46264.5006781658. The cubic root of 2140404023 is about 1288.7398352227.

Adding to 2140404023 its reverse (3204040412), we get a palindrome (5344444435).

The spelling of 2140404023 in words is "two billion, one hundred forty million, four hundred four thousand, twenty-three".

Divisors: 1 17 2089 35513 60271 1024607 125906119 2140404023