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2809006447048 = 23973936053579
BaseRepresentation
bin101000111000000101110…
…101001101100111001000
3100221112112111012111122121
4220320011311031213020
5332010321122301143
65550234552501024
7406641540562144
oct50700565154710
910845474174577
102809006447048
119933249aa54a
123944a26aa774
13174b7140a649
1499d57028224
154d106d217ed
hex28e05d4d9c8

2809006447048 has 16 divisors (see below), whose sum is σ = 5267428038000. Its totient is φ = 1404358970256.

The previous prime is 2809006447043. The next prime is 2809006447057. The reversal of 2809006447048 is 8407446009082.

It is a junction number, because it is equal to n+sod(n) for n = 2809006446986 and 2809006447004.

It is not an unprimeable number, because it can be changed into a prime (2809006447043) by changing a digit.

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, 17948878 + ... + 18104701.

It is an arithmetic number, because the mean of its divisors is an integer number (329214252375).

Almost surely, 22809006447048 is an apocalyptic number.

It is an amenable number.

2809006447048 is a deficient number, since it is larger than the sum of its proper divisors (2458421590952).

2809006447048 is a wasteful number, since it uses less digits than its factorization.

2809006447048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36063324 (or 36063320 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 2809006447048 in words is "two trillion, eight hundred nine billion, six million, four hundred forty-seven thousand, forty-eight".

Divisors: 1 2 4 8 9739 19478 38956 77912 36053579 72107158 144214316 288428632 351125805881 702251611762 1404503223524 2809006447048