Base | Representation |
---|---|
bin | 1100001010111… |
… | …1011010111000 |
3 | 10120001121122222 |
4 | 3002233122320 |
5 | 101032101133 |
6 | 5022103212 |
7 | 1156630211 |
oct | 302573270 |
9 | 116047588 |
10 | 51050168 |
11 | 268a8824 |
12 | 1511ab08 |
13 | a765400 |
14 | 6acc408 |
15 | 4735e98 |
hex | 30af6b8 |
51050168 has 48 divisors (see below), whose sum is σ = 105517800. Its totient is φ = 23137920.
The previous prime is 51050143. The next prime is 51050171. The reversal of 51050168 is 86105015.
It is a super-2 number, since 2×510501682 = 5212239305656448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a nialpdrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82163 + ... + 82781.
Almost surely, 251050168 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 51050168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52758900).
51050168 is an abundant number, since it is smaller than the sum of its proper divisors (54467632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51050168 is a wasteful number, since it uses less digits than its factorization.
51050168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712 (or 695 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 26.
The square root of 51050168 is about 7144.9400277399. The cubic root of 51050168 is about 370.9645347925.
The spelling of 51050168 in words is "fifty-one million, fifty thousand, one hundred sixty-eight".
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