Base | Representation |
---|---|
bin | 100101010011010010… |
… | …010100001000000100 |
3 | 10211101021221012111221 |
4 | 211103102110020010 |
5 | 1124011303444440 |
6 | 30222153410124 |
7 | 2615345341561 |
oct | 452322241004 |
9 | 124337835457 |
10 | 40052015620 |
11 | 15a93356161 |
12 | 7919409944 |
13 | 3a13a95236 |
14 | 1d1d46b868 |
15 | 109635dd4a |
hex | 953494204 |
40052015620 has 24 divisors (see below), whose sum is σ = 85488075288. Its totient is φ = 15758169600.
The previous prime is 40052015579. The next prime is 40052015629. The reversal of 40052015620 is 2651025004.
It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 40051216384 = 894^2 + 200128^2 .
It is not an unprimeable number, because it can be changed into a prime (40052015629) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16413541 + ... + 16415980.
It is an arithmetic number, because the mean of its divisors is an integer number (3562003137).
Almost surely, 240052015620 is an apocalyptic number.
It is an amenable number.
40052015620 is an abundant number, since it is smaller than the sum of its proper divisors (45436059668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40052015620 is a wasteful number, since it uses less digits than its factorization.
40052015620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32829591 (or 32829589 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The spelling of 40052015620 in words is "forty billion, fifty-two million, fifteen thousand, six hundred twenty".
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