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2068026061 = 2418581021
BaseRepresentation
bin111101101000011…
…1001001011001101
312100010100121102211
41323100321023031
513213403313221
6541112550421
7102150634333
oct17320711315
95303317384
102068026061
1197138a652
124986b2411
1326c5a457a
14158925b53
15c184d6e1
hex7b4392cd

2068026061 has 4 divisors (see below), whose sum is σ = 2076607324. Its totient is φ = 2059444800.

The previous prime is 2068026053. The next prime is 2068026067. The reversal of 2068026061 is 1606208602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1606208602 = 2803104301.

It can be written as a sum of positive squares in 2 ways, for example, as 571496836 + 1496529225 = 23906^2 + 38685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068026061 - 23 = 2068026053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068026067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290270 + ... + 4290751.

It is an arithmetic number, because the mean of its divisors is an integer number (519151831).

Almost surely, 22068026061 is an apocalyptic number.

It is an amenable number.

2068026061 is a deficient number, since it is larger than the sum of its proper divisors (8581263).

2068026061 is an equidigital number, since it uses as much as digits as its factorization.

2068026061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581262.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2068026061 is about 45475.5545430729. The cubic root of 2068026061 is about 1274.0466662634.

The spelling of 2068026061 in words is "two billion, sixty-eight million, twenty-six thousand, sixty-one".

Divisors: 1 241 8581021 2068026061