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20353427711 = 892337431321
BaseRepresentation
bin10010111101001010…
…001010100011111111
31221112110120020220222
4102331022022203333
5313140434141321
613203352331555
71320243165251
oct227512124377
957473506828
1020353427711
1186a4a85541
123b403a3bbb
131bc4991066
14db1205cd1
157e1cd03ab
hex4bd28a8ff

20353427711 has 16 divisors (see below), whose sum is σ = 20713942080. Its totient is φ = 19996247040.

The previous prime is 20353427693. The next prime is 20353427749. The reversal of 20353427711 is 11772435302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20353427711 - 214 = 20353411327 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 (20353427761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15406931 + ... + 15408251.

It is an arithmetic number, because the mean of its divisors is an integer number (1294621380).

Almost surely, 220353427711 is an apocalyptic number.

20353427711 is a deficient number, since it is larger than the sum of its proper divisors (360514369).

20353427711 is a wasteful number, since it uses less digits than its factorization.

20353427711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 20353427711 in words is "twenty billion, three hundred fifty-three million, four hundred twenty-seven thousand, seven hundred eleven".

Divisors: 1 89 233 743 1321 20737 66127 117569 173119 307793 981503 15407591 27393577 87353767 228690199 20353427711