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2689805241 = 323143921961
BaseRepresentation
bin1010000001010011…
…0010101110111001
320221110100021010100
42200110302232321
521002042231431
61122523510013
7123440652534
oct24024625671
96843307110
102689805241
111160363542
12630988309
1333b357346
141b733ba1b
1510b21e4e6
hexa0532bb9

2689805241 has 24 divisors (see below), whose sum is σ = 4019924480. Its totient is φ = 1731326400.

The previous prime is 2689805227. The next prime is 2689805267. The reversal of 2689805241 is 1425089862.

It is not a de Polignac number, because 2689805241 - 27 = 2689805113 is a prime.

It is a super-2 number, since 2×26898052412 = 14470104469022136162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689805291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111501 + ... + 133461.

Almost surely, 22689805241 is an apocalyptic number.

It is an amenable number.

2689805241 is a deficient number, since it is larger than the sum of its proper divisors (1330119239).

2689805241 is a wasteful number, since it uses less digits than its factorization.

2689805241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22437 (or 22434 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2689805241 is about 51863.3323360541. The cubic root of 2689805241 is about 1390.7218514852.

The spelling of 2689805241 in words is "two billion, six hundred eighty-nine million, eight hundred five thousand, two hundred forty-one".

Divisors: 1 3 9 31 93 279 439 1317 3951 13609 21961 40827 65883 122481 197649 680791 2042373 6127119 9640879 28922637 86767911 298867249 896601747 2689805241