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8385582349369 = 83213922512
BaseRepresentation
bin111101000000110101110…
…1010000011110000111001
31002200122122122121020022201
41322001223222003300321
52044342133040134434
625500141111550201
71523560355624341
oct172015352036071
932618578536281
108385582349369
11274333a696295
12b3522268b361
1348a9ac242084
1420dc15acbd21
15e81dcc2c614
hex7a06ba83c39

8385582349369 has 27 divisors (see below), whose sum is σ = 8583530331909. Its totient is φ = 8192181423000.

The previous prime is 8385582349289. The next prime is 8385582349427. The reversal of 8385582349369 is 9639432855838.

It is a happy number.

The square root of 8385582349369 is 2895787.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8385582349369 - 211 = 8385582347321 is a prime.

It is a super-2 number, since 2×83855823493692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8385582319369) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33408694494 + ... + 33408694744.

Almost surely, 28385582349369 is an apocalyptic number.

8385582349369 is the 2895787-th square number.

8385582349369 is the 1447894-th centered octagonal number.

It is an amenable number.

8385582349369 is a deficient number, since it is larger than the sum of its proper divisors (197947982540).

8385582349369 is an frugal number, since it uses more digits than its factorization.

8385582349369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 473 counting only the distinct ones).

The product of its digits is 1343692800, while the sum is 73.

The spelling of 8385582349369 in words is "eight trillion, three hundred eighty-five billion, five hundred eighty-two million, three hundred forty-nine thousand, three hundred sixty-nine".

Divisors: 1 83 139 251 6889 11537 19321 20833 34889 63001 957571 1603643 1729139 2895787 4849571 5229083 8757139 133102369 240350321 402514393 434013889 726842537 1217242321 33408694619 60327930571 101031112643 8385582349369