Search a number
-
+
5457818049 = 31819272683
BaseRepresentation
bin1010001010100111…
…11011000111000001
3112002100211212212020
411011103323013001
542134200134144
62301323552053
7252151454655
oct50523730701
915070755766
105457818049
112350883532
12108398b629
1368c964c48
1439abd6a65
1521e23b419
hex1454fb1c1

5457818049 has 4 divisors (see below), whose sum is σ = 7277090736. Its totient is φ = 3638545364.

The previous prime is 5457818027. The next prime is 5457818087. The reversal of 5457818049 is 9408187545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5457818049 - 212 = 5457813953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5457817992 and 5457818010.

It is not an unprimeable number, because it can be changed into a prime (5457808049) 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, 909636339 + ... + 909636344.

It is an arithmetic number, because the mean of its divisors is an integer number (1819272684).

Almost surely, 25457818049 is an apocalyptic number.

It is an amenable number.

5457818049 is a deficient number, since it is larger than the sum of its proper divisors (1819272687).

5457818049 is a wasteful number, since it uses less digits than its factorization.

5457818049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819272686.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The square root of 5457818049 is about 73877.0468345886. The cubic root of 5457818049 is about 1760.6499460115.

It can be divided in two parts, 54578 and 18049, that added together give a palindrome (72627).

The spelling of 5457818049 in words is "five billion, four hundred fifty-seven million, eight hundred eighteen thousand, forty-nine".

Divisors: 1 3 1819272683 5457818049