Base | Representation |
---|---|
bin | 1001001010010011111… |
… | …0011110101101100110 |
3 | 120001020112202222001120 |
4 | 2102210332132231212 |
5 | 10034311441233211 |
6 | 200145154234410 |
7 | 14241121402110 |
oct | 2224476365546 |
9 | 501215688046 |
10 | 157386664806 |
11 | 6082473a808 |
12 | 26604585a06 |
13 | 11ac2a08037 |
14 | 78908003b0 |
15 | 4162325d06 |
hex | 24a4f9eb66 |
157386664806 has 64 divisors (see below), whose sum is σ = 378759352320. Its totient is φ = 42591376800.
The previous prime is 157386664801. The next prime is 157386664807. The reversal of 157386664806 is 608466683751.
It is a self number, because there is not a number n which added to its sum of digits gives 157386664806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157386664801) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4011175 + ... + 4050221.
It is an arithmetic number, because the mean of its divisors is an integer number (5918114880).
Almost surely, 2157386664806 is an apocalyptic number.
157386664806 is an abundant number, since it is smaller than the sum of its proper divisors (221372687514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157386664806 is a wasteful number, since it uses less digits than its factorization.
157386664806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44129.
The product of its (nonzero) digits is 34836480, while the sum is 60.
The spelling of 157386664806 in words is "one hundred fifty-seven billion, three hundred eighty-six million, six hundred sixty-four thousand, eight hundred six".
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