Base | Representation |
---|---|
bin | 10111011000110100010010… |
… | …11011111011101110010111 |
3 | 20202002200110010221210002202 |
4 | 23230122021123323232113 |
5 | 23220113120004002130 |
6 | 301214421130155115 |
7 | 13555466252520260 |
oct | 1354321133735627 |
9 | 222080403853082 |
10 | 51430244203415 |
11 | 15429498084010 |
12 | 5927638882a9b |
13 | 2290b0b1850ac |
14 | c9b346869967 |
15 | 5e2c43085145 |
hex | 2ec6896fbb97 |
51430244203415 has 32 divisors (see below), whose sum is σ = 77625917899776. Its totient is φ = 31776691484160.
The previous prime is 51430244203409. The next prime is 51430244203421.
51430244203415 is nontrivially palindromic in base 10.
It is an interprime number because it is at equal distance from previous prime (51430244203409) and next prime (51430244203421).
It is a de Polignac number, because none of the positive numbers 2k-51430244203415 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591040787 + ... + 591127796.
It is an arithmetic number, because the mean of its divisors is an integer number (2425809934368).
Almost surely, 251430244203415 is an apocalyptic number.
51430244203415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
51430244203415 is a deficient number, since it is larger than the sum of its proper divisors (26195673696361).
51430244203415 is a wasteful number, since it uses less digits than its factorization.
51430244203415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1182168719.
The product of its (nonzero) digits is 230400, while the sum is 38.
It can be divided in two parts, 5143024 and 4203415, that added together give a palindrome (9346439).
The spelling of 51430244203415 in words is "fifty-one trillion, four hundred thirty billion, two hundred forty-four million, two hundred three thousand, four hundred fifteen".
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