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20110423142 = 2691112912889
BaseRepresentation
bin10010101110101011…
…001011010001100110
31220220112022100022202
4102232223023101212
5312141232020032
613123312054502
71311232530155
oct225653132146
956815270282
1020110423142
11858a89a617
123a92b34432
131b8652a784
14d8ac2b59c
157ca7cdd62
hex4aeacb466

20110423142 has 16 divisors (see below), whose sum is σ = 30238393200. Its totient is φ = 10030988160.

The previous prime is 20110423093. The next prime is 20110423153. The reversal of 20110423142 is 24132401102.

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, 1553834 + ... + 1566722.

It is an arithmetic number, because the mean of its divisors is an integer number (1889899575).

Almost surely, 220110423142 is an apocalyptic number.

20110423142 is a deficient number, since it is larger than the sum of its proper divisors (10127970058).

20110423142 is a wasteful number, since it uses less digits than its factorization.

20110423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20110423142 its reverse (24132401102), we get a palindrome (44242824244).

The spelling of 20110423142 in words is "twenty billion, one hundred ten million, four hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 691 1129 1382 2258 12889 25778 780139 1560278 8906299 14551681 17812598 29103362 10055211571 20110423142