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13400313434 = 217093920513
BaseRepresentation
bin11000111101011100…
…01000111001011010
31021120220001110020222
430132232020321122
5204420440012214
610053411120042
7653033533124
oct143656107132
937526043228
1013400313434
115757144902
12271b8a3022
1313572c2b61
149119b2214
1553667838e
hex31eb88e5a

13400313434 has 8 divisors (see below), whose sum is σ = 20112236820. Its totient is φ = 6696234496.

The previous prime is 13400313431. The next prime is 13400313457. The reversal of 13400313434 is 43431300431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11544857809 + 1855455625 = 107447^2 + 43075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13400313431) 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, 1956839 + ... + 1963674.

Almost surely, 213400313434 is an apocalyptic number.

13400313434 is a deficient number, since it is larger than the sum of its proper divisors (6711923386).

13400313434 is a wasteful number, since it uses less digits than its factorization.

13400313434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922224.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13400313434 its reverse (43431300431), we get a palindrome (56831613865).

The spelling of 13400313434 in words is "thirteen billion, four hundred million, three hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 1709 3418 3920513 7841026 6700156717 13400313434