Base | Representation |
---|---|
bin | 1011010100110110101… |
… | …00100011111100110010 |
3 | 1101012110201212101001012 |
4 | 11222123110203330302 |
5 | 22333441121242000 |
6 | 454435133310522 |
7 | 40054400126141 |
oct | 5523324437462 |
9 | 1335421771035 |
10 | 389152915250 |
11 | 140047748050 |
12 | 63506635442 |
13 | 2a90a2c37b8 |
14 | 14b99739758 |
15 | a1c94b2735 |
hex | 5a9b523f32 |
389152915250 has 32 divisors (see below), whose sum is σ = 794721013632. Its totient is φ = 141510150000.
The previous prime is 389152915243. The next prime is 389152915259. The reversal of 389152915250 is 52519251983.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is not an unprimeable number, because it can be changed into a prime (389152915259) 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, 70752326 + ... + 70757825.
It is an arithmetic number, because the mean of its divisors is an integer number (24835031676).
Almost surely, 2389152915250 is an apocalyptic number.
389152915250 is an abundant number, since it is smaller than the sum of its proper divisors (405568098382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389152915250 is a wasteful number, since it uses less digits than its factorization.
389152915250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141510179 (or 141510169 counting only the distinct ones).
The product of its (nonzero) digits is 972000, while the sum is 50.
The spelling of 389152915250 in words is "three hundred eighty-nine billion, one hundred fifty-two million, nine hundred fifteen thousand, two hundred fifty".
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