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1289093135 = 51137633461
BaseRepresentation
bin100110011010110…
…0000000000001111
310022211122201100012
41030311200000033
510120001440020
6331525423435
743642053011
oct11465400017
93284581305
101289093135
11601728830
122bb86ab7b
131770b9705
14c32c21b1
15782887c5
hex4cd6000f

1289093135 has 16 divisors (see below), whose sum is σ = 1733152032. Its totient is φ = 912182400.

The previous prime is 1289093129. The next prime is 1289093137. The reversal of 1289093135 is 5313909821.

It is a de Polignac number, because none of the positive numbers 2k-1289093135 is a prime.

It is a super-2 number, since 2×12890931352 = 3323522221408256450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1289093092 and 1289093101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1289093137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314696 + ... + 318765.

It is an arithmetic number, because the mean of its divisors is an integer number (108322002).

Almost surely, 21289093135 is an apocalyptic number.

1289093135 is a deficient number, since it is larger than the sum of its proper divisors (444058897).

1289093135 is a wasteful number, since it uses less digits than its factorization.

1289093135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633514.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1289093135 is about 35903.9431678472. The cubic root of 1289093135 is about 1088.3320827850.

The spelling of 1289093135 in words is "one billion, two hundred eighty-nine million, ninety-three thousand, one hundred thirty-five".

Divisors: 1 5 11 37 55 185 407 2035 633461 3167305 6968071 23438057 34840355 117190285 257818627 1289093135