Base | Representation |
---|---|
bin | 11000011111111000001111… |
… | …10111001110000000011010 |
3 | 21001202002210210201121012200 |
4 | 30033330013313032000122 |
5 | 24030114131104201110 |
6 | 310324225015351030 |
7 | 14230055032422630 |
oct | 1417740767160032 |
9 | 231662723647180 |
10 | 53871906709530 |
11 | 1618aa46999728 |
12 | 60608a0682476 |
13 | 240a139689680 |
14 | d435b27b1350 |
15 | 6364ea38c6c0 |
hex | 30ff07dce01a |
53871906709530 has 192 divisors, whose sum is σ = 174818132955648. Its totient is φ = 11206290332160.
The previous prime is 53871906709469. The next prime is 53871906709547. The reversal of 53871906709530 is 3590760917835.
53871906709530 is a `hidden beast` number, since 5 + 3 + 8 + 7 + 1 + 90 + 6 + 7 + 0 + 9 + 530 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45740809 + ... + 46903788.
It is an arithmetic number, because the mean of its divisors is an integer number (910511109144).
Almost surely, 253871906709530 is an apocalyptic number.
53871906709530 is an abundant number, since it is smaller than the sum of its proper divisors (120946226246118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53871906709530 is a wasteful number, since it uses less digits than its factorization.
53871906709530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92644701 (or 92644698 counting only the distinct ones).
The product of its (nonzero) digits is 42865200, while the sum is 63.
The spelling of 53871906709530 in words is "fifty-three trillion, eight hundred seventy-one billion, nine hundred six million, seven hundred nine thousand, five hundred thirty".
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