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20144132411 = 131549548647
BaseRepresentation
bin10010110000101011…
…110001000100111011
31220222212201221202012
4102300223301010323
5312223344214121
613130514400135
71312122205004
oct226053610473
956885657665
1020144132411
1185a7923917
123aa229004b
131b90500ba0
14d914c41ab
157cd73bc5b
hex4b0af113b

20144132411 has 4 divisors (see below), whose sum is σ = 21693681072. Its totient is φ = 18594583752.

The previous prime is 20144132383. The next prime is 20144132429. The reversal of 20144132411 is 11423144102.

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 20144132411 - 218 = 20143870267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144132011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774774311 + ... + 774774336.

It is an arithmetic number, because the mean of its divisors is an integer number (5423420268).

Almost surely, 220144132411 is an apocalyptic number.

20144132411 is a deficient number, since it is larger than the sum of its proper divisors (1549548661).

20144132411 is a wasteful number, since it uses less digits than its factorization.

20144132411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549548660.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20144132411 its reverse (11423144102), we get a palindrome (31567276513).

The spelling of 20144132411 in words is "twenty billion, one hundred forty-four million, one hundred thirty-two thousand, four hundred eleven".

Divisors: 1 13 1549548647 20144132411