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2068302097 = 2693768029
BaseRepresentation
bin111101101000111…
…1100100100010001
312100010212122002101
41323101330210101
513213441131342
6541122520401
7102153164161
oct17321744421
95303778071
102068302097
11971558a84
12498806101
1326c6700c4
141589985a1
15c18a53b7
hex7b47c911

2068302097 has 4 divisors (see below), whose sum is σ = 2069072820. Its totient is φ = 2067531376.

The previous prime is 2068302077. The next prime is 2068302151. The reversal of 2068302097 is 7902038602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7902038602 = 23951019301.

It can be written as a sum of positive squares in 2 ways, for example, as 1055535121 + 1012766976 = 32489^2 + 31824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2068302097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068302037) 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, 381322 + ... + 386707.

It is an arithmetic number, because the mean of its divisors is an integer number (517268205).

Almost surely, 22068302097 is an apocalyptic number.

It is an amenable number.

2068302097 is a deficient number, since it is larger than the sum of its proper divisors (770723).

2068302097 is an equidigital number, since it uses as much as digits as its factorization.

2068302097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770722.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2068302097 is about 45478.5894350298. The cubic root of 2068302097 is about 1274.1033494787.

The spelling of 2068302097 in words is "two billion, sixty-eight million, three hundred two thousand, ninety-seven".

Divisors: 1 2693 768029 2068302097