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20104233142 = 277319671461
BaseRepresentation
bin10010101110010011…
…100100000010110110
31220220002122212020111
4102232103210002312
5312133140430032
613122531253234
71311126106420
oct225623440266
956802585214
1020104233142
118587351a14
123a90a4a21a
131b85171156
14d8a099810
157c9ea9c47
hex4ae4e40b6

20104233142 has 16 divisors (see below), whose sum is σ = 34936516512. Its totient is φ = 8498070720.

The previous prime is 20104233137. The next prime is 20104233217. The reversal of 20104233142 is 24133240102.

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, 9834709 + ... + 9836752.

It is an arithmetic number, because the mean of its divisors is an integer number (2183532282).

Almost surely, 220104233142 is an apocalyptic number.

20104233142 is a deficient number, since it is larger than the sum of its proper divisors (14832283370).

20104233142 is a wasteful number, since it uses less digits than its factorization.

20104233142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671543.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20104233142 its reverse (24133240102), we get a palindrome (44237473244).

The spelling of 20104233142 in words is "twenty billion, one hundred four million, two hundred thirty-three thousand, one hundred forty-two".

Divisors: 1 2 7 14 73 146 511 1022 19671461 39342922 137700227 275400454 1436016653 2872033306 10052116571 20104233142