Search a number
-
+
348044472547 = 1033379072549
BaseRepresentation
bin1010001000010010001…
…00010011000011100011
31020021100211002010000021
411010021010103003203
521200243341110142
6423520040534311
734100603130022
oct5041104230343
91207324063007
10348044472547
11124672038662
1257553481397
1326a886c57a5
1412bb9c728b9
1590c0528267
hex51091130e3

348044472547 has 4 divisors (see below), whose sum is σ = 351423545200. Its totient is φ = 344665399896.

The previous prime is 348044472541. The next prime is 348044472553. The reversal of 348044472547 is 745274440843.

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: 745274440843 = 3917111902613.

It is an interprime number because it is at equal distance from previous prime (348044472541) and next prime (348044472553).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-348044472547 is a prime.

It is a super-2 number, since 2×3480444725472 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348044472494 and 348044472503.

It is not an unprimeable number, because it can be changed into a prime (348044472541) 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, 1689536172 + ... + 1689536377.

It is an arithmetic number, because the mean of its divisors is an integer number (87855886300).

Almost surely, 2348044472547 is an apocalyptic number.

348044472547 is a deficient number, since it is larger than the sum of its proper divisors (3379072653).

348044472547 is a wasteful number, since it uses less digits than its factorization.

348044472547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379072652.

The product of its (nonzero) digits is 12042240, while the sum is 52.

The spelling of 348044472547 in words is "three hundred forty-eight billion, forty-four million, four hundred seventy-two thousand, five hundred forty-seven".

Divisors: 1 103 3379072549 348044472547