Base | Representation |
---|---|
bin | 101110010011000110… |
… | …000011010100110010 |
3 | 11202022112210111220000 |
4 | 232103012003110302 |
5 | 1303302343234430 |
6 | 34500530530430 |
7 | 3406631041464 |
oct | 562306032462 |
9 | 152275714800 |
10 | 49712477490 |
11 | 1a0a0441145 |
12 | 9774736a16 |
13 | 48c3320370 |
14 | 2598488134 |
15 | 145e4ece60 |
hex | b93183532 |
49712477490 has 160 divisors (see below), whose sum is σ = 144391206960. Its totient is φ = 12199735296.
The previous prime is 49712477473. The next prime is 49712477513. The reversal of 49712477490 is 9477421794.
It is a happy number.
49712477490 is a `hidden beast` number, since 49 + 71 + 2 + 47 + 7 + 490 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 13729043241 + 35983434249 = 117171^2 + 189693^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3541606 + ... + 3555614.
Almost surely, 249712477490 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49712477490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72195603480).
49712477490 is an abundant number, since it is smaller than the sum of its proper divisors (94678729470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49712477490 is a wasteful number, since it uses less digits than its factorization.
49712477490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14378 (or 14369 counting only the distinct ones).
The product of its (nonzero) digits is 3556224, while the sum is 54.
The spelling of 49712477490 in words is "forty-nine billion, seven hundred twelve million, four hundred seventy-seven thousand, four hundred ninety".
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