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20123143414 = 2112383383839
BaseRepresentation
bin10010101111011011…
…101100110011110110
31220221102020121020221
4102233123230303312
5312203011042124
613124444444554
71311445616413
oct225733546366
956842217227
1020123143414
118596a98540
123a9724975a
131b8906256a
14d8c7bd10a
157cb992ce4
hex4af6eccf6

20123143414 has 16 divisors (see below), whose sum is σ = 32942684160. Its totient is φ = 9143021160.

The previous prime is 20123143373. The next prime is 20123143441. The reversal of 20123143414 is 41434132102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139494 + ... + 244345.

It is an arithmetic number, because the mean of its divisors is an integer number (2058917760).

Almost surely, 220123143414 is an apocalyptic number.

20123143414 is a deficient number, since it is larger than the sum of its proper divisors (12819540746).

20123143414 is a wasteful number, since it uses less digits than its factorization.

20123143414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386235.

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

Adding to 20123143414 its reverse (41434132102), we get a palindrome (61557275516).

The spelling of 20123143414 in words is "twenty billion, one hundred twenty-three million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 11 22 2383 4766 26213 52426 383839 767678 4222229 8444458 914688337 1829376674 10061571707 20123143414