Base | Representation |
---|---|
bin | 100101010000110010… |
… | …100111100110010100 |
3 | 10211021101011022220002 |
4 | 211100302213212110 |
5 | 1123420044333330 |
6 | 30214100230432 |
7 | 2614326453314 |
oct | 452062474624 |
9 | 124241138802 |
10 | 40010152340 |
11 | 15a71762704 |
12 | 790739b418 |
13 | 3a081c8572 |
14 | 1d17a91444 |
15 | 109283ee45 |
hex | 950ca7994 |
40010152340 has 24 divisors (see below), whose sum is σ = 84447832392. Its totient is φ = 15922820480.
The previous prime is 40010152331. The next prime is 40010152373. The reversal of 40010152340 is 4325101004.
It can be written as a sum of positive squares in 4 ways, for example, as 27454501636 + 12555650704 = 165694^2 + 112052^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073491 + ... + 5081370.
It is an arithmetic number, because the mean of its divisors is an integer number (3518659683).
Almost surely, 240010152340 is an apocalyptic number.
It is an amenable number.
40010152340 is an abundant number, since it is smaller than the sum of its proper divisors (44437680052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40010152340 is a wasteful number, since it uses less digits than its factorization.
40010152340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10155067 (or 10155065 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 40010152340 its reverse (4325101004), we get a palindrome (44335253344).
The spelling of 40010152340 in words is "forty billion, ten million, one hundred fifty-two thousand, three hundred forty".
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