Base | Representation |
---|---|
bin | 10010001100111000010111… |
… | …11010000011101000000000 |
3 | 12020201100112001211121010102 |
4 | 21012130023322003220000 |
5 | 20221232200000000000 |
6 | 221043121533021532 |
7 | 11300465545405061 |
oct | 1106341372035000 |
9 | 166640461747112 |
10 | 40025000000000 |
11 | 118315640610a4 |
12 | 45a51436248a8 |
13 | 1944458b00c82 |
14 | 9c5312862568 |
15 | 49621e8de3d5 |
hex | 24670be83a00 |
40025000000000 has 240 divisors, whose sum is σ = 100027221269976. Its totient is φ = 16000000000000.
The previous prime is 40024999999891. The next prime is 40025000000017. The reversal of 40025000000000 is 52004.
It can be written as a sum of positive squares in 12 ways, for example, as 5306130678016 + 34718869321984 = 2303504^2 + 5892272^2 .
It is a sliding number, since 40025000000000 = 25000000000 + 40000000000000 and 1/25000000000 + 1/40000000000000 = 0.000000000040025000000000.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24999999200 + ... + 25000000800.
Almost surely, 240025000000000 is an apocalyptic number.
40025000000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40025000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50013610634988).
40025000000000 is an abundant number, since it is smaller than the sum of its proper divisors (60002221269976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40025000000000 is an frugal number, since it uses more digits than its factorization.
40025000000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1674 (or 1608 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 11.
Adding to 40025000000000 its reverse (52004), we get a palindrome (40025000052004).
It can be divided in two parts, 400 and 25000000000, that multiplied together give a 13-th power (10000000000000 = 1013).
The spelling of 40025000000000 in words is "forty trillion, twenty-five billion", and thus it is an aban number and an uban number.
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