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136912743 = 32111382957
BaseRepresentation
bin10000010100100…
…01111101100111
3100112121212222100
420022101331213
5240022201433
621330303143
73251511342
oct1012217547
9315555870
10136912743
1170313630
1239a27ab3
1322499076
141427d459
15c046b13
hex8291f67

136912743 has 12 divisors (see below), whose sum is σ = 215741448. Its totient is φ = 82977360.

The previous prime is 136912729. The next prime is 136912751. The reversal of 136912743 is 347219631.

136912743 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 136912743 - 218 = 136650599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136912698 and 136912707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136912703) 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, 691380 + ... + 691577.

It is an arithmetic number, because the mean of its divisors is an integer number (17978454).

Almost surely, 2136912743 is an apocalyptic number.

136912743 is a deficient number, since it is larger than the sum of its proper divisors (78828705).

136912743 is a wasteful number, since it uses less digits than its factorization.

136912743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382974 (or 1382971 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 136912743 is about 11700.9718827113. The cubic root of 136912743 is about 515.4042046184.

The spelling of 136912743 in words is "one hundred thirty-six million, nine hundred twelve thousand, seven hundred forty-three".

Divisors: 1 3 9 11 33 99 1382957 4148871 12446613 15212527 45637581 136912743