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13846517473 is a prime number
BaseRepresentation
bin11001110010101000…
…10001011011100001
31022201222122222010111
430321110101123201
5211324202024343
610205550531321
71000062312415
oct147124213341
938658588114
1013846517473
115965aa8578
122825206b41
1313c8890b09
14954d62d45
15560916c9d
hex3395116e1

13846517473 has 2 divisors, whose sum is σ = 13846517474. Its totient is φ = 13846517472.

The previous prime is 13846517471. The next prime is 13846517479. The reversal of 13846517473 is 37471564831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12921323584 + 925193889 = 113672^2 + 30417^2 .

It is an emirp because it is prime and its reverse (37471564831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13846517473 - 21 = 13846517471 is a prime.

It is a super-2 number, since 2×138465174732 (a number of 21 digits) contains 22 as substring.

Together with 13846517471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13846517471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6923258736 + 6923258737.

It is an arithmetic number, because the mean of its divisors is an integer number (6923258737).

Almost surely, 213846517473 is an apocalyptic number.

It is an amenable number.

13846517473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13846517473 is an equidigital number, since it uses as much as digits as its factorization.

13846517473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The spelling of 13846517473 in words is "thirteen billion, eight hundred forty-six million, five hundred seventeen thousand, four hundred seventy-three".