Base | Representation |
---|---|
bin | 100101010100011001… |
… | …100101110101110000 |
3 | 10211102121002111012211 |
4 | 211110121211311300 |
5 | 1124031044403100 |
6 | 30224102101504 |
7 | 2615663222263 |
oct | 452431456560 |
9 | 124377074184 |
10 | 40070700400 |
11 | 15aa2958325 |
12 | 792371a894 |
13 | 3a17907b13 |
14 | 1d21b32cda |
15 | 1097d001ba |
hex | 954665d70 |
40070700400 has 60 divisors (see below), whose sum is σ = 96298350400. Its totient is φ = 16023536640.
The previous prime is 40070700361. The next prime is 40070700401. The reversal of 40070700400 is 400707004.
It is a happy number.
It is a super-2 number, since 2×400707004002 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40070700401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1542721 + ... + 1568479.
Almost surely, 240070700400 is an apocalyptic number.
40070700400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40070700400 is an abundant number, since it is smaller than the sum of its proper divisors (56227650000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40070700400 is a wasteful number, since it uses less digits than its factorization.
40070700400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29666 (or 29655 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 22.
40070700400 divided by its reverse (400707004) gives a square (100 = 102).
The spelling of 40070700400 in words is "forty billion, seventy million, seven hundred thousand, four hundred".
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