Base | Representation |
---|---|
bin | 101111100011000101… |
… | …100000011110011001 |
3 | 11212210002001221011210 |
4 | 233203011200132121 |
5 | 1314024423341100 |
6 | 35242031213333 |
7 | 3455115122556 |
oct | 574305403631 |
9 | 155702057153 |
10 | 51054512025 |
11 | 1a719a395a0 |
12 | 9a8a077249 |
13 | 4a78384c3a |
14 | 26847cba2d |
15 | 14dc242c50 |
hex | be3160799 |
51054512025 has 96 divisors (see below), whose sum is σ = 92822630400. Its totient is φ = 24556089600.
The previous prime is 51054512023. The next prime is 51054512051. The reversal of 51054512025 is 52021545015.
51054512025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 51054512025 - 21 = 51054512023 is a prime.
It is a super-2 number, since 2×510545120252 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 51054511983 and 51054512001.
It is not an unprimeable number, because it can be changed into a prime (51054512023) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 84109272 + ... + 84109878.
It is an arithmetic number, because the mean of its divisors is an integer number (966902400).
Almost surely, 251054512025 is an apocalyptic number.
51054512025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
51054512025 is a deficient number, since it is larger than the sum of its proper divisors (41768118375).
51054512025 is a wasteful number, since it uses less digits than its factorization.
51054512025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1279 (or 1274 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 30.
The spelling of 51054512025 in words is "fifty-one billion, fifty-four million, five hundred twelve thousand, twenty-five".
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