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2689145333 = 72487112691
BaseRepresentation
bin1010000001001001…
…0001100111110101
320221102002201220022
42200102101213311
521001410122313
61122501414525
7123432233600
oct24022214765
96842081808
102689145333
11115aa52766
1263070a445
1333b185b74
141b7209337
1510b13dc08
hexa04919f5

2689145333 has 12 divisors (see below), whose sum is σ = 3134640672. Its totient is φ = 2300228280.

The previous prime is 2689145219. The next prime is 2689145339. The reversal of 2689145333 is 3335419862.

It is not a de Polignac number, because 2689145333 - 28 = 2689145077 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 (2689145339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32483 + ... + 80208.

It is an arithmetic number, because the mean of its divisors is an integer number (261220056).

Almost surely, 22689145333 is an apocalyptic number.

It is an amenable number.

2689145333 is a deficient number, since it is larger than the sum of its proper divisors (445495339).

2689145333 is a wasteful number, since it uses less digits than its factorization.

2689145333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113192 (or 113185 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 2689145333 is about 51856.9699558314. The cubic root of 2689145333 is about 1390.6081104698.

The spelling of 2689145333 in words is "two billion, six hundred eighty-nine million, one hundred forty-five thousand, three hundred thirty-three".

Divisors: 1 7 49 487 3409 23863 112691 788837 5521859 54880517 384163619 2689145333