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2478996545 = 5659752351
BaseRepresentation
bin1001001111000010…
…0111110001000001
320101202200001221212
42103300213301001
520034110342140
61045553255505
7115301060114
oct22360476101
96352601855
102478996545
111062368883
12592264595
1330678737c
1419734457b
15e797c765
hex93c27c41

2478996545 has 8 divisors (see below), whose sum is σ = 2979313920. Its totient is φ = 1980185200.

The previous prime is 2478996539. The next prime is 2478996587. The reversal of 2478996545 is 5456998742.

It is a happy number.

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

It is not a de Polignac number, because 2478996545 - 212 = 2478992449 is a prime.

It is a super-2 number, since 2×24789965452 = 12290847740243874050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372881 + ... + 379470.

It is an arithmetic number, because the mean of its divisors is an integer number (372414240).

Almost surely, 22478996545 is an apocalyptic number.

It is an amenable number.

2478996545 is a deficient number, since it is larger than the sum of its proper divisors (500317375).

2478996545 is an equidigital number, since it uses as much as digits as its factorization.

2478996545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753015.

The product of its digits is 21772800, while the sum is 59.

The square root of 2478996545 is about 49789.5224419757. The cubic root of 2478996545 is about 1353.3973044345.

The spelling of 2478996545 in words is "two billion, four hundred seventy-eight million, nine hundred ninety-six thousand, five hundred forty-five".

Divisors: 1 5 659 3295 752351 3761755 495799309 2478996545