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2840069097 = 3267270297
BaseRepresentation
bin1010100101001000…
…0000001111101001
321022221002110101100
42221102000033221
521304024202342
61145452312013
7130244121555
oct25122001751
97287073340
102840069097
111228165a48
12673172609
13363519378
141cd294865
15119501e4c
hexa94803e9

2840069097 has 18 divisors (see below), whose sum is σ = 4164523818. Its totient is φ = 1865093472.

The previous prime is 2840069081. The next prime is 2840069119. The reversal of 2840069097 is 7909600482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2647719936 + 192349161 = 51456^2 + 13869^2 .

It is not a de Polignac number, because 2840069097 - 24 = 2840069081 is a prime.

It is a super-3 number, since 3×28400690973 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2840069497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5253 + ... + 75549.

Almost surely, 22840069097 is an apocalyptic number.

It is an amenable number.

2840069097 is a deficient number, since it is larger than the sum of its proper divisors (1324454721).

2840069097 is an equidigital number, since it uses as much as digits as its factorization.

2840069097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70437 (or 70367 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2840069097 is about 53292.2986650041. The cubic root of 2840069097 is about 1416.1512349840.

The spelling of 2840069097 in words is "two billion, eight hundred forty million, sixty-nine thousand, ninety-seven".

Divisors: 1 3 9 67 201 603 4489 13467 40401 70297 210891 632673 4709899 14129697 42389091 315563233 946689699 2840069097