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348621072445 = 5157853752021
BaseRepresentation
bin1010001001010110110…
…11110110100000111101
31020022212000001102101001
411010223123312200331
521202433443304240
6424053155250301
734121104136212
oct5045333664075
91208760042331
10348621072445
111249385636a8
12576945a9991
1326b4acba469
1412c32687b09
159105e7289a
hex512b6f683d

348621072445 has 16 divisors (see below), whose sum is σ = 421067316528. Its totient is φ = 277082657280.

The previous prime is 348621072431. The next prime is 348621072479. The reversal of 348621072445 is 544270126843.

It can be written as a sum of positive squares in 8 ways, for example, as 377097561 + 348243974884 = 19419^2 + 590122^2 .

It is not a de Polignac number, because 348621072445 - 211 = 348621070397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348621072395 and 348621072404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6675535 + ... + 6727555.

It is an arithmetic number, because the mean of its divisors is an integer number (26316707283).

Almost surely, 2348621072445 is an apocalyptic number.

It is an amenable number.

348621072445 is a deficient number, since it is larger than the sum of its proper divisors (72446244083).

348621072445 is a wasteful number, since it uses less digits than its factorization.

348621072445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60720.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 348621072445 in words is "three hundred forty-eight billion, six hundred twenty-one million, seventy-two thousand, four hundred forty-five".

Divisors: 1 5 157 785 8537 42685 52021 260105 1340309 6701545 8167297 40836485 444103277 2220516385 69724214489 348621072445