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136753643 = 1361331521
BaseRepresentation
bin10000010011010…
…11000111101011
3100112022210201202
420021223013223
5240002104033
621323034415
73250246445
oct1011530753
9315283652
10136753643
1170215044
123996ba0b
1322441820
141423b495
15c0148e8
hex826b1eb

136753643 has 16 divisors (see below), whose sum is σ = 150427872. Its totient is φ = 123552000.

The previous prime is 136753637. The next prime is 136753663. The reversal of 136753643 is 346357631.

It is a happy number.

136753643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136753643 - 26 = 136753579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136753597 and 136753606.

It is not an unprimeable number, because it can be changed into a prime (136753613) 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, 262223 + ... + 262743.

It is an arithmetic number, because the mean of its divisors is an integer number (9401742).

Almost surely, 2136753643 is an apocalyptic number.

136753643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

136753643 is a deficient number, since it is larger than the sum of its proper divisors (13674229).

136753643 is a wasteful number, since it uses less digits than its factorization.

With its successor (136753644) it forms an eRAP, since the sums of their prime factors are consecutive (926 and 927).

136753643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 136080, while the sum is 38.

The square root of 136753643 is about 11694.1713259213. The cubic root of 136753643 is about 515.2044847316.

The spelling of 136753643 in words is "one hundred thirty-six million, seven hundred fifty-three thousand, six hundred forty-three".

Divisors: 1 13 61 331 521 793 4303 6773 20191 31781 172451 262483 413153 2241863 10519511 136753643