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14315235440 = 2451116267313
BaseRepresentation
bin11010101010100000…
…10010100001110000
31100221122122022022012
431111100102201300
5213304200013230
610324253102052
71014513331202
oct152520224160
940848568265
1014315235440
1160866392a0
122936187928
131471a1251c
1499b2d4772
1558bb51395
hex355412870

14315235440 has 40 divisors (see below), whose sum is σ = 36308644848. Its totient is φ = 5205539840.

The previous prime is 14315235433. The next prime is 14315235457. The reversal of 14315235440 is 4453251341.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 14315235397 and 14315235406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8132777 + ... + 8134536.

Almost surely, 214315235440 is an apocalyptic number.

14315235440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14315235440 is an abundant number, since it is smaller than the sum of its proper divisors (21993409408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14315235440 is a wasteful number, since it uses less digits than its factorization.

14315235440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16267337 (or 16267331 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 14315235440 its reverse (4453251341), we get a palindrome (18768486781).

The spelling of 14315235440 in words is "fourteen billion, three hundred fifteen million, two hundred thirty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 16267313 32534626 65069252 81336565 130138504 162673130 178940443 260277008 325346260 357880886 650692520 715761772 894702215 1301385040 1431523544 1789404430 2863047088 3578808860 7157617720 14315235440