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1340104319 = 6720001557
BaseRepresentation
bin100111111100000…
…0101111001111111
310110101122100112022
41033320011321333
510221031314234
6340551030355
745131461451
oct11770057177
93411570468
101340104319
116284aa234
1231496b3bb
1318483a148
14c9da02d1
157c9b2e2e
hex4fe05e7f

1340104319 has 4 divisors (see below), whose sum is σ = 1360105944. Its totient is φ = 1320102696.

The previous prime is 1340104267. The next prime is 1340104327. The reversal of 1340104319 is 9134010431.

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 1340104319 - 220 = 1339055743 is a prime.

It is a super-2 number, since 2×13401043192 = 3591759171604907522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340104349) 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, 10000712 + ... + 10000845.

It is an arithmetic number, because the mean of its divisors is an integer number (340026486).

Almost surely, 21340104319 is an apocalyptic number.

1340104319 is a deficient number, since it is larger than the sum of its proper divisors (20001625).

1340104319 is an equidigital number, since it uses as much as digits as its factorization.

1340104319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001624.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1340104319 is about 36607.4352966716. The cubic root of 1340104319 is about 1102.5023799017.

The spelling of 1340104319 in words is "one billion, three hundred forty million, one hundred four thousand, three hundred nineteen".

Divisors: 1 67 20001557 1340104319