Base | Representation |
---|---|
bin | 1110110000001… |
… | …11000110010101 |
3 | 22121212201020102 |
4 | 13120013012111 |
5 | 223140323140 |
6 | 20140343445 |
7 | 3031644242 |
oct | 730070625 |
9 | 277781212 |
10 | 123761045 |
11 | 63950561 |
12 | 35544b85 |
13 | 1c842ab5 |
14 | 126185c9 |
15 | ace9e15 |
hex | 7607195 |
123761045 has 16 divisors (see below), whose sum is σ = 155284992. Its totient is φ = 94512000.
The previous prime is 123761017. The next prime is 123761063. The reversal of 123761045 is 540167321.
It is not a de Polignac number, because 123761045 - 28 = 123760789 is a prime.
It is a super-3 number, since 3×1237610453 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123760999 and 123761017.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 85649 + ... + 87081.
It is an arithmetic number, because the mean of its divisors is an integer number (9705312).
Almost surely, 2123761045 is an apocalyptic number.
It is an amenable number.
123761045 is a deficient number, since it is larger than the sum of its proper divisors (31523947).
123761045 is a wasteful number, since it uses less digits than its factorization.
123761045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2212.
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 123761045 is about 11124.7941553990. The cubic root of 123761045 is about 498.3425719352.
The spelling of 123761045 in words is "one hundred twenty-three million, seven hundred sixty-one thousand, forty-five".
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