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133568026049 = 306434358843
BaseRepresentation
bin111110001100101000…
…1100101010111000001
3110202202120210202012202
41330121101211113001
54142021403313144
6141205454202545
712435640326443
oct1743121452701
9422676722182
10133568026049
1151711739997
1221a777b3455
13c79816b353
1466712d4493
15371b20b64e
hex1f194655c1

133568026049 has 4 divisors (see below), whose sum is σ = 133572415536. Its totient is φ = 133563636564.

The previous prime is 133568026037. The next prime is 133568026073. The reversal of 133568026049 is 940620865331.

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-133568026049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133568025994 and 133568026012.

It is not an unprimeable number, because it can be changed into a prime (133568026849) 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, 2148779 + ... + 2210064.

It is an arithmetic number, because the mean of its divisors is an integer number (33393103884).

Almost surely, 2133568026049 is an apocalyptic number.

It is an amenable number.

133568026049 is a deficient number, since it is larger than the sum of its proper divisors (4389487).

133568026049 is an equidigital number, since it uses as much as digits as its factorization.

133568026049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389486.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 133568026049 in words is "one hundred thirty-three billion, five hundred sixty-eight million, twenty-six thousand, forty-nine".

Divisors: 1 30643 4358843 133568026049