Base | Representation |
---|---|
bin | 1011001101100001101… |
… | …11011011010100000101 |
3 | 1100211022121021120002100 |
4 | 11212300313123110011 |
5 | 22302412132043112 |
6 | 452544540502313 |
7 | 36555044644302 |
oct | 5466067332405 |
9 | 1324277246070 |
10 | 385219409157 |
11 | 13940934a770 |
12 | 627a924a999 |
13 | 2a4313b3abb |
14 | 149051740a9 |
15 | a048ec42dc |
hex | 59b0ddb505 |
385219409157 has 24 divisors (see below), whose sum is σ = 607060752480. Its totient is φ = 233447712480.
The previous prime is 385219409153. The next prime is 385219409191. The reversal of 385219409157 is 751904912583.
It is a happy number.
385219409157 is a `hidden beast` number, since 3 + 8 + 5 + 219 + 409 + 15 + 7 = 666.
It is not a de Polignac number, because 385219409157 - 22 = 385219409153 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385219409153) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149378 + ... + 1446204.
It is an arithmetic number, because the mean of its divisors is an integer number (25294198020).
Almost surely, 2385219409157 is an apocalyptic number.
It is an amenable number.
385219409157 is a deficient number, since it is larger than the sum of its proper divisors (221841343323).
385219409157 is a wasteful number, since it uses less digits than its factorization.
385219409157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309953 (or 309950 counting only the distinct ones).
The product of its (nonzero) digits is 2721600, while the sum is 54.
The spelling of 385219409157 in words is "three hundred eighty-five billion, two hundred nineteen million, four hundred nine thousand, one hundred fifty-seven".
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