Base | Representation |
---|---|
bin | 1011110010101000101… |
… | …10111110011110000101 |
3 | 1102201202001120222022110 |
4 | 11321110112332132011 |
5 | 23114212403010023 |
6 | 510041512051233 |
7 | 41161542114555 |
oct | 5712426763605 |
9 | 1381661528273 |
10 | 405142235013 |
11 | 1469022586aa |
12 | 66629393b19 |
13 | 2c287aaa659 |
14 | 158750cb165 |
15 | a813098a93 |
hex | 5e545be785 |
405142235013 has 16 divisors (see below), whose sum is σ = 588228292800. Its totient is φ = 247055880960.
The previous prime is 405142235011. The next prime is 405142235033. The reversal of 405142235013 is 310532241504.
It is not a de Polignac number, because 405142235013 - 21 = 405142235011 is a prime.
It is a super-2 number, since 2×4051422350132 (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 (405142235011) 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, 122545908 + ... + 122549213.
It is an arithmetic number, because the mean of its divisors is an integer number (36764268300).
Almost surely, 2405142235013 is an apocalyptic number.
It is an amenable number.
405142235013 is a deficient number, since it is larger than the sum of its proper divisors (183086057787).
405142235013 is a wasteful number, since it uses less digits than its factorization.
405142235013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245095172.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 405142235013 its reverse (310532241504), we get a palindrome (715674476517).
The spelling of 405142235013 in words is "four hundred five billion, one hundred forty-two million, two hundred thirty-five thousand, thirteen".
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