Base | Representation |
---|---|
bin | 1011010001000110111… |
… | …10011100110110010100 |
3 | 1101000021121102120102212 |
4 | 11220203132130312110 |
5 | 22320331403213214 |
6 | 453503425452552 |
7 | 36653513521112 |
oct | 5504336346624 |
9 | 1330247376385 |
10 | 387142241684 |
11 | 13a205780260 |
12 | 630451a1158 |
13 | 2a679880123 |
14 | 14a486a2ab2 |
15 | a10cbe253e |
hex | 5a2379cd94 |
387142241684 has 24 divisors (see below), whose sum is σ = 754815051648. Its totient is φ = 172229623040.
The previous prime is 387142241677. The next prime is 387142241687. The reversal of 387142241684 is 486142241783.
It is a happy number.
It is a super-2 number, since 2×3871422416842 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387142241687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93600989 + ... + 93605124.
It is an arithmetic number, because the mean of its divisors is an integer number (31450627152).
Almost surely, 2387142241684 is an apocalyptic number.
It is an amenable number.
387142241684 is a deficient number, since it is larger than the sum of its proper divisors (367672809964).
387142241684 is a wasteful number, since it uses less digits than its factorization.
387142241684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187206175 (or 187206173 counting only the distinct ones).
The product of its digits is 2064384, while the sum is 50.
Subtracting 387142241684 from its reverse (486142241783), we obtain a palindrome (99000000099).
It can be divided in two parts, 387142 and 241684, that added together give a palindrome (628826).
The spelling of 387142241684 in words is "three hundred eighty-seven billion, one hundred forty-two million, two hundred forty-one thousand, six hundred eighty-four".
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