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135111030640 = 2451688887883
BaseRepresentation
bin111110111010100111…
…1101011011101110000
3110220202010020111120221
41331311033223131300
54203201410440030
6142022534142424
712522114545215
oct1756517533560
9426663214527
10135111030640
11523337220a3
12222284b1a14
13c982a39911
14677a1cdb0c
1537ab8ece7a
hex1f753eb770

135111030640 has 20 divisors (see below), whose sum is σ = 314133146424. Its totient is φ = 54044412224.

The previous prime is 135111030629. The next prime is 135111030647. The reversal of 135111030640 is 46030111531.

135111030640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135111030647) 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, 844443862 + ... + 844444021.

Almost surely, 2135111030640 is an apocalyptic number.

135111030640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135111030640 is an abundant number, since it is smaller than the sum of its proper divisors (179022115784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135111030640 is a wasteful number, since it uses less digits than its factorization.

135111030640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688887896 (or 1688887890 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 135111030640 in words is "one hundred thirty-five billion, one hundred eleven million, thirty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1688887883 3377775766 6755551532 8444439415 13511103064 16888878830 27022206128 33777757660 67555515320 135111030640