Base | Representation |
---|---|
bin | 1001010000001111110… |
… | …0101100000100001001 |
3 | 120012100120222100012021 |
4 | 2110003330230010021 |
5 | 10101042341440404 |
6 | 201011233444441 |
7 | 14325446651602 |
oct | 2240374540411 |
9 | 505316870167 |
10 | 158980030729 |
11 | 614720a0153 |
12 | 2698a110721 |
13 | 11cb7b5a300 |
14 | 79a2288da9 |
15 | 4207164454 |
hex | 2503f2c109 |
158980030729 has 9 divisors (see below), whose sum is σ = 172155587079. Its totient is φ = 146746012920.
The previous prime is 158980030717. The next prime is 158980030747. The reversal of 158980030729 is 927030089851.
The square root of 158980030729 is 398723.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 23517756025 + 135462274704 = 153355^2 + 368052^2 .
It is a de Polignac number, because none of the positive numbers 2k-158980030729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (158980030799) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5168064 + ... + 5198734.
Almost surely, 2158980030729 is an apocalyptic number.
158980030729 is the 398723-rd square number.
158980030729 is the 199362-nd centered octagonal number.
It is an amenable number.
158980030729 is a deficient number, since it is larger than the sum of its proper divisors (13175556350).
158980030729 is an frugal number, since it uses more digits than its factorization.
158980030729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61368 (or 30684 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 52.
It can be divided in two parts, 1589800 and 30729, that added together give a square (1620529 = 12732).
The spelling of 158980030729 in words is "one hundred fifty-eight billion, nine hundred eighty million, thirty thousand, seven hundred twenty-nine".
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