Base | Representation |
---|---|
bin | 10000001110111… |
… | …10111110111101 |
3 | 100111020122100120 |
4 | 20013132332331 |
5 | 234330222040 |
6 | 21302445153 |
7 | 3242336130 |
oct | 1007367675 |
9 | 314218316 |
10 | 136179645 |
11 | 6a962868 |
12 | 397337b9 |
13 | 222a0494 |
14 | 1412c217 |
15 | be4e7d0 |
hex | 81defbd |
136179645 has 16 divisors (see below), whose sum is σ = 249014400. Its totient is φ = 62253504.
The previous prime is 136179643. The next prime is 136179671. The reversal of 136179645 is 546971631.
It is not a de Polignac number, because 136179645 - 21 = 136179643 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 136179597 and 136179606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (136179643) 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, 648370 + ... + 648579.
It is an arithmetic number, because the mean of its divisors is an integer number (15563400).
Almost surely, 2136179645 is an apocalyptic number.
136179645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
136179645 is a deficient number, since it is larger than the sum of its proper divisors (112834755).
136179645 is a wasteful number, since it uses less digits than its factorization.
136179645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1296964.
The product of its digits is 136080, while the sum is 42.
The square root of 136179645 is about 11669.6034637000. The cubic root of 136179645 is about 514.4826488400.
The spelling of 136179645 in words is "one hundred thirty-six million, one hundred seventy-nine thousand, six hundred forty-five".
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