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5515457854 = 212721714401
BaseRepresentation
bin1010010001011111…
…10011010100111110
3112020101022021210211
411020233303110332
542243424122404
62311143223034
7253451422024
oct51057632476
915211267724
105515457854
112380372135
12109b147a7a
1369b89683a
143a471c714
15224324b04
hex148bf353e

5515457854 has 8 divisors (see below), whose sum is σ = 8338330368. Its totient is φ = 2736014400.

The previous prime is 5515457839. The next prime is 5515457863. The reversal of 5515457854 is 4587545155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5515457798 and 5515457807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10856947 + ... + 10857454.

It is an arithmetic number, because the mean of its divisors is an integer number (1042291296).

Almost surely, 25515457854 is an apocalyptic number.

5515457854 is a deficient number, since it is larger than the sum of its proper divisors (2822872514).

5515457854 is a wasteful number, since it uses less digits than its factorization.

5515457854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21714530.

The product of its digits is 2800000, while the sum is 49.

The square root of 5515457854 is about 74266.1285782422. The cubic root of 5515457854 is about 1766.8263059651.

The spelling of 5515457854 in words is "five billion, five hundred fifteen million, four hundred fifty-seven thousand, eight hundred fifty-four".

Divisors: 1 2 127 254 21714401 43428802 2757728927 5515457854