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192471429457 = 228784158911
BaseRepresentation
bin1011001101000000110…
…0001111000101010001
3200101210122221200020101
42303100030033011101
511123140141220312
6224230430412401
716622423104516
oct2632014170521
9611718850211
10192471429457
117469911677a
1231376361101
13151c46699c8
14945c29330d
15501754ba57
hex2cd030f151

192471429457 has 4 divisors (see below), whose sum is σ = 192555590656. Its totient is φ = 192387268260.

The previous prime is 192471429433. The next prime is 192471429461. The reversal of 192471429457 is 754924174291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-192471429457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192471429398 and 192471429407.

It is not an unprimeable number, because it can be changed into a prime (192471426457) 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, 42077169 + ... + 42081742.

It is an arithmetic number, because the mean of its divisors is an integer number (48138897664).

Almost surely, 2192471429457 is an apocalyptic number.

It is an amenable number.

192471429457 is a deficient number, since it is larger than the sum of its proper divisors (84161199).

192471429457 is an equidigital number, since it uses as much as digits as its factorization.

192471429457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84161198.

The product of its digits is 5080320, while the sum is 55.

The spelling of 192471429457 in words is "one hundred ninety-two billion, four hundred seventy-one million, four hundred twenty-nine thousand, four hundred fifty-seven".

Divisors: 1 2287 84158911 192471429457