Base | Representation |
---|---|
bin | 100101011000000000… |
… | …001010100111000010 |
3 | 10211120210211100102111 |
4 | 211120000022213002 |
5 | 1124142033103010 |
6 | 30234101405534 |
7 | 2620326045130 |
oct | 453000124702 |
9 | 124523740374 |
10 | 40131144130 |
11 | 16023a91620 |
12 | 793ba098aa |
13 | 3a272aba3c |
14 | 1d29b88750 |
15 | 109d28e58a |
hex | 95800a9c2 |
40131144130 has 32 divisors (see below), whose sum is σ = 90060543360. Its totient is φ = 12508408320.
The previous prime is 40131144091. The next prime is 40131144133. The reversal of 40131144130 is 3144113104.
It is a happy number.
It is a super-2 number, since 2×401311441302 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (40131144133) 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, 26058415 + ... + 26059954.
It is an arithmetic number, because the mean of its divisors is an integer number (2814391980).
Almost surely, 240131144130 is an apocalyptic number.
40131144130 is an abundant number, since it is smaller than the sum of its proper divisors (49929399230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40131144130 is a wasteful number, since it uses less digits than its factorization.
40131144130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52118394.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 40131144130 its reverse (3144113104), we get a palindrome (43275257234).
The spelling of 40131144130 in words is "forty billion, one hundred thirty-one million, one hundred forty-four thousand, one hundred thirty".
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