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136123006 = 2190135803
BaseRepresentation
bin10000001110100…
…01001001111110
3100111010202122211
420013101021332
5234321414011
621301331034
73242012035
oct1007211176
9314122584
10136123006
116a924258
1239706a7a
1322280776
141411571c
15be3cb21
hex81d127e

136123006 has 8 divisors (see below), whose sum is σ = 204297624. Its totient is φ = 68023800.

The previous prime is 136123003. The next prime is 136123007. The reversal of 136123006 is 600321631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136123003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (25537203).

Almost surely, 2136123006 is an apocalyptic number.

136123006 is a deficient number, since it is larger than the sum of its proper divisors (68174618).

136123006 is a wasteful number, since it uses less digits than its factorization.

136123006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37706.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 136123006 is about 11667.1764364820. The cubic root of 136123006 is about 514.4113121299.

Adding to 136123006 its reverse (600321631), we get a palindrome (736444637).

The spelling of 136123006 in words is "one hundred thirty-six million, one hundred twenty-three thousand, six".

Divisors: 1 2 1901 3802 35803 71606 68061503 136123006