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5477969831 = 25121824581
BaseRepresentation
bin1010001101000001…
…10010111110100111
3112010202202200220112
411012200302332213
542204330013311
62303323523235
7252514655345
oct50640627647
915122680815
105477969831
1123611978a4
12108a68951b
13693b9c489
1439d760995
15220dbc28b
hex146832fa7

5477969831 has 4 divisors (see below), whose sum is σ = 5499794664. Its totient is φ = 5456145000.

The previous prime is 5477969807. The next prime is 5477969839. The reversal of 5477969831 is 1389697745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1389697745 = 5277939549.

It is a cyclic number.

It is not a de Polignac number, because 5477969831 - 26 = 5477969767 is a prime.

It is a super-2 number, since 2×54779698312 = 60016306938692337122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5477969839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10912040 + ... + 10912541.

It is an arithmetic number, because the mean of its divisors is an integer number (1374948666).

Almost surely, 25477969831 is an apocalyptic number.

5477969831 is a deficient number, since it is larger than the sum of its proper divisors (21824833).

5477969831 is a wasteful number, since it uses less digits than its factorization.

5477969831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824832.

The product of its digits is 11430720, while the sum is 59.

The square root of 5477969831 is about 74013.3084721930. The cubic root of 5477969831 is about 1762.8142208980.

The spelling of 5477969831 in words is "five billion, four hundred seventy-seven million, nine hundred sixty-nine thousand, eight hundred thirty-one".

Divisors: 1 251 21824581 5477969831