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348658621069 = 1131696238279
BaseRepresentation
bin1010001001011011010…
…11000101101010001101
31020022221121201002101211
411010231223011222031
521203023101333234
6424101020134421
734122041244343
oct5045553055215
91208847632354
10348658621069
1112495777a520
12576a5097411
1326b55a06295
1412c3765d993
1591093dd164
hex512dac5a8d

348658621069 has 4 divisors (see below), whose sum is σ = 380354859360. Its totient is φ = 316962382780.

The previous prime is 348658621043. The next prime is 348658621123. The reversal of 348658621069 is 960126856843.

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 not a de Polignac number, because 348658621069 - 25 = 348658621037 is a prime.

It is a super-2 number, since 2×3486586210692 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348658621019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15848119129 + ... + 15848119150.

It is an arithmetic number, because the mean of its divisors is an integer number (95088714840).

Almost surely, 2348658621069 is an apocalyptic number.

It is an amenable number.

348658621069 is a deficient number, since it is larger than the sum of its proper divisors (31696238291).

348658621069 is a wasteful number, since it uses less digits than its factorization.

348658621069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31696238290.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 348658621069 in words is "three hundred forty-eight billion, six hundred fifty-eight million, six hundred twenty-one thousand, sixty-nine".

Divisors: 1 11 31696238279 348658621069