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20134122143 = 60673318629
BaseRepresentation
bin10010110000000101…
…100101001010011111
31220222011220101020112
4102300011211022133
5312213313402033
613125520040235
71311641133362
oct226005451237
956864811215
1020134122143
1185a2206a73
123a9aa6307b
131b8b407755
14d9003a0d9
157cc910c48
hex4b016529f

20134122143 has 4 divisors (see below), whose sum is σ = 20137446840. Its totient is φ = 20130797448.

The previous prime is 20134122139. The next prime is 20134122149. The reversal of 20134122143 is 34122143102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20134122143 - 22 = 20134122139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134122149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653248 + ... + 1665381.

It is an arithmetic number, because the mean of its divisors is an integer number (5034361710).

Almost surely, 220134122143 is an apocalyptic number.

20134122143 is a deficient number, since it is larger than the sum of its proper divisors (3324697).

20134122143 is an equidigital number, since it uses as much as digits as its factorization.

20134122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324696.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20134122143 its reverse (34122143102), we get a palindrome (54256265245).

The spelling of 20134122143 in words is "twenty billion, one hundred thirty-four million, one hundred twenty-two thousand, one hundred forty-three".

Divisors: 1 6067 3318629 20134122143