Base | Representation |
---|---|
bin | 1011000001000001000… |
… | …1010111001111100010 |
3 | 200002111021011202102102 |
4 | 2300100101113033202 |
5 | 11100041344020010 |
6 | 222535125250402 |
7 | 16446554421431 |
oct | 2602021271742 |
9 | 602437152372 |
10 | 189251548130 |
11 | 73296624227 |
12 | 30817b63a02 |
13 | 14b00559a98 |
14 | 92347b1118 |
15 | 4dc9a22ba5 |
hex | 2c104573e2 |
189251548130 has 8 divisors (see below), whose sum is σ = 340652786652. Its totient is φ = 75700619248.
The previous prime is 189251548091. The next prime is 189251548139. The reversal of 189251548130 is 31845152981.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 187247463841 + 2004084289 = 432721^2 + 44767^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1892515481302 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (189251548139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9462577397 + ... + 9462577416.
Almost surely, 2189251548130 is an apocalyptic number.
189251548130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
189251548130 is a deficient number, since it is larger than the sum of its proper divisors (151401238522).
189251548130 is a wasteful number, since it uses less digits than its factorization.
189251548130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18925154820.
The product of its (nonzero) digits is 345600, while the sum is 47.
The spelling of 189251548130 in words is "one hundred eighty-nine billion, two hundred fifty-one million, five hundred forty-eight thousand, one hundred thirty".
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