Base | Representation |
---|---|
bin | 101111010010110110… |
… | …100011010011000010 |
3 | 11212002002120210220111 |
4 | 233102312203103002 |
5 | 1313000212442340 |
6 | 35155021501534 |
7 | 3445300126600 |
oct | 572266432302 |
9 | 155062523814 |
10 | 50782155970 |
11 | 1a59a226447 |
12 | 9a12a118aa |
13 | 4a33b15900 |
14 | 265a572870 |
15 | 14c3394aea |
hex | bd2da34c2 |
50782155970 has 144 divisors (see below), whose sum is σ = 117956334888. Its totient is φ = 15678673920.
The previous prime is 50782155881. The next prime is 50782155989. The reversal of 50782155970 is 7955128705.
50782155970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 10844931321 + 39937224649 = 104139^2 + 199843^2 .
It is a super-2 number, since 2×507821559702 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3387732 + ... + 3402688.
Almost surely, 250782155970 is an apocalyptic number.
50782155970 is an abundant number, since it is smaller than the sum of its proper divisors (67174178918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50782155970 is a wasteful number, since it uses less digits than its factorization.
50782155970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15045 (or 15025 counting only the distinct ones).
The product of its (nonzero) digits is 882000, while the sum is 49.
The spelling of 50782155970 in words is "fifty billion, seven hundred eighty-two million, one hundred fifty-five thousand, nine hundred seventy".
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