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5921385497 = 18132714837
BaseRepresentation
bin1011000001111000…
…10010110000011001
3120021200010112211222
411200330102300121
544111333313442
62415323501425
7266510642366
oct54074226031
916250115758
105921385497
112569516625
121193087875
13734a02201
144025c746d
15249ca98d2
hex160f12c19

5921385497 has 4 divisors (see below), whose sum is σ = 5954100516. Its totient is φ = 5888670480.

The previous prime is 5921385493. The next prime is 5921385523. The reversal of 5921385497 is 7945831295.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7945831295 = 51589166259.

It can be written as a sum of positive squares in 2 ways, for example, as 2207214361 + 3714171136 = 46981^2 + 60944^2 .

It is a cyclic number.

It is not a de Polignac number, because 5921385497 - 22 = 5921385493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5921385493) 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, 16357238 + ... + 16357599.

It is an arithmetic number, because the mean of its divisors is an integer number (1488525129).

Almost surely, 25921385497 is an apocalyptic number.

It is an amenable number.

5921385497 is a deficient number, since it is larger than the sum of its proper divisors (32715019).

5921385497 is a wasteful number, since it uses less digits than its factorization.

5921385497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32715018.

The product of its digits is 2721600, while the sum is 53.

The square root of 5921385497 is about 76950.5392898581. The cubic root of 5921385497 is about 1809.1494530478.

The spelling of 5921385497 in words is "five billion, nine hundred twenty-one million, three hundred eighty-five thousand, four hundred ninety-seven".

Divisors: 1 181 32714837 5921385497