Base | Representation |
---|---|
bin | 101111110001110011011001… |
… | …1001111000011000001100011 |
3 | 2001010000120202221021222202110 |
4 | 1133203212303033003001203 |
5 | 420041030031033400030 |
6 | 4045453205232450403 |
7 | 154343605564302600 |
oct | 13743466317030143 |
9 | 2033016687258673 |
10 | 420261262012515 |
11 | 1119a9889243640 |
12 | 3b1755463a9a03 |
13 | 1506660bba52b1 |
14 | 75aca79cad6a7 |
15 | 338be5e8761b0 |
hex | 17e39b33c3063 |
420261262012515 has 192 divisors, whose sum is σ = 864354736834560. Its totient is φ = 172394597007360.
The previous prime is 420261262012457. The next prime is 420261262012649. The reversal of 420261262012515 is 515210262162024.
It is not a de Polignac number, because 420261262012515 - 28 = 420261262012259 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2310141199 + ... + 2310323111.
It is an arithmetic number, because the mean of its divisors is an integer number (4501847587680).
Almost surely, 2420261262012515 is an apocalyptic number.
420261262012515 is an abundant number, since it is smaller than the sum of its proper divisors (444093474822045).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420261262012515 is a wasteful number, since it uses less digits than its factorization.
420261262012515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185642 (or 185635 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 39.
The spelling of 420261262012515 in words is "four hundred twenty trillion, two hundred sixty-one billion, two hundred sixty-two million, twelve thousand, five hundred fifteen".
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