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348520116839 = 1471323687903
BaseRepresentation
bin1010001001001010110…
…10101111001001100111
31020022120222002100022112
411010211122233021213
521202232122214324
6424035151351235
734115440054046
oct5044532571147
91208528070275
10348520116839
1112489657a214
125766682251b
1326b33100a0b
1412c230c855d
1590ec17ec0e
hex51256af267

348520116839 has 4 divisors (see below), whose sum is σ = 348543819456. Its totient is φ = 348496414224.

The previous prime is 348520116799. The next prime is 348520116887. The reversal of 348520116839 is 938611025843.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938611025843 = 4268921987187.

It is a cyclic number.

It is not a de Polignac number, because 348520116839 - 28 = 348520116583 is a prime.

It is a super-2 number, since 2×3485201168392 (a number of 24 digits) 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 (348520110839) 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, 11829239 + ... + 11858664.

It is an arithmetic number, because the mean of its divisors is an integer number (87135954864).

Almost surely, 2348520116839 is an apocalyptic number.

348520116839 is a deficient number, since it is larger than the sum of its proper divisors (23702617).

348520116839 is a wasteful number, since it uses less digits than its factorization.

348520116839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23702616.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 348520116839 in words is "three hundred forty-eight billion, five hundred twenty million, one hundred sixteen thousand, eight hundred thirty-nine".

Divisors: 1 14713 23687903 348520116839