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14312240420 = 225715612021
BaseRepresentation
bin11010101010001001…
…10111010100100100
31100221110000010220112
431111010313110210
5213302413143140
610324104552152
71014446015312
oct152504672444
940843003815
1014312240420
116084983075
122935182658
13147120421a
1499ab550b2
1558b75dc65
hex355137524

14312240420 has 12 divisors (see below), whose sum is σ = 30055704924. Its totient is φ = 5724896160.

The previous prime is 14312240413. The next prime is 14312240461. The reversal of 14312240420 is 2404221341.

It can be written as a sum of positive squares in 2 ways, for example, as 2684068864 + 11628171556 = 51808^2 + 107834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357805991 + ... + 357806030.

It is an arithmetic number, because the mean of its divisors is an integer number (2504642077).

Almost surely, 214312240420 is an apocalyptic number.

14312240420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14312240420 is an abundant number, since it is smaller than the sum of its proper divisors (15743464504).

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

14312240420 is a wasteful number, since it uses less digits than its factorization.

14312240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715612030 (or 715612028 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 14312240420 its reverse (2404221341), we get a palindrome (16716461761).

The spelling of 14312240420 in words is "fourteen billion, three hundred twelve million, two hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 715612021 1431224042 2862448084 3578060105 7156120210 14312240420