Base | Representation |
---|---|
bin | 1011110011111111101… |
… | …10111010101110111100 |
3 | 1102210121220211022220201 |
4 | 11321333312322232330 |
5 | 23122211214403404 |
6 | 510242142053244 |
7 | 41215613214640 |
oct | 5717766725674 |
9 | 1383556738821 |
10 | 405872028604 |
11 | 1471471a73a9 |
12 | 667b187a224 |
13 | 2c37304ba93 |
14 | 15903dbcc20 |
15 | a8571a3ca4 |
hex | 5e7fdbabbc |
405872028604 has 96 divisors (see below), whose sum is σ = 933915709440. Its totient is φ = 150093388800.
The previous prime is 405872028577. The next prime is 405872028629. The reversal of 405872028604 is 406820278504.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443467 + ... + 1004194.
It is an arithmetic number, because the mean of its divisors is an integer number (9728288640).
Almost surely, 2405872028604 is an apocalyptic number.
It is an amenable number.
405872028604 is an abundant number, since it is smaller than the sum of its proper divisors (528043680836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405872028604 is a wasteful number, since it uses less digits than its factorization.
405872028604 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1447739 (or 1447737 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 46.
The spelling of 405872028604 in words is "four hundred five billion, eight hundred seventy-two million, twenty-eight thousand, six hundred four".
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