Base | Representation |
---|---|
bin | 101111100010001111… |
… | …001011101000000000 |
3 | 11212202002021101221210 |
4 | 233202033023220000 |
5 | 1314012302131343 |
6 | 35240402050120 |
7 | 3454553100240 |
oct | 574217135000 |
9 | 155662241853 |
10 | 51040270848 |
11 | 1a7119a1a26 |
12 | 9a85349940 |
13 | 4a75439ac8 |
14 | 2682961b20 |
15 | 14dad7d333 |
hex | be23cba00 |
51040270848 has 160 divisors (see below), whose sum is σ = 156358135296. Its totient is φ = 14492971008.
The previous prime is 51040270847. The next prime is 51040270901. The reversal of 51040270848 is 84807204015.
It is a happy number.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (51040270847) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738015 + ... + 1767137.
Almost surely, 251040270848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51040270848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78179067648).
51040270848 is an abundant number, since it is smaller than the sum of its proper divisors (105317864448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51040270848 is a wasteful number, since it uses less digits than its factorization.
51040270848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29314 (or 29298 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 39.
The spelling of 51040270848 in words is "fifty-one billion, forty million, two hundred seventy thousand, eight hundred forty-eight".
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