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2026315069 = 13191536251
BaseRepresentation
bin111100011000111…
…0001110100111101
312020012212110201021
41320301301310331
513122214040234
6533022544141
7101133252052
oct17061616475
95205773637
102026315069
1194a890559
12486738051
13263a5bccc
14153189029
15bcd5e9b4
hex78c71d3d

2026315069 has 4 divisors (see below), whose sum is σ = 2027852640. Its totient is φ = 2024777500.

The previous prime is 2026315063. The next prime is 2026315087. The reversal of 2026315069 is 9605136202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2026315069 - 221 = 2024217917 is a prime.

It is a super-2 number, since 2×20263150692 = 8211905517712949522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026315063) 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, 766807 + ... + 769444.

It is an arithmetic number, because the mean of its divisors is an integer number (506963160).

Almost surely, 22026315069 is an apocalyptic number.

It is an amenable number.

2026315069 is a deficient number, since it is larger than the sum of its proper divisors (1537571).

2026315069 is a wasteful number, since it uses less digits than its factorization.

2026315069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537570.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 2026315069 is about 45014.6095062481. The cubic root of 2026315069 is about 1265.4228083559.

The spelling of 2026315069 in words is "two billion, twenty-six million, three hundred fifteen thousand, sixty-nine".

Divisors: 1 1319 1536251 2026315069