Base | Representation |
---|---|
bin | 101111110100010010… |
… | …000000100110010111 |
3 | 11220112011220202000221 |
4 | 233310102000212113 |
5 | 1320122302031012 |
6 | 35330414415211 |
7 | 3465220213333 |
oct | 576422004627 |
9 | 156464822027 |
10 | 51343002007 |
11 | 1a857871370 |
12 | 9b4a801507 |
13 | 4ac3082a7b |
14 | 26b0c467c3 |
15 | 150772b507 |
hex | bf4480997 |
51343002007 has 16 divisors (see below), whose sum is σ = 57599942400. Its totient is φ = 45368741440.
The previous prime is 51343001953. The next prime is 51343002023. The reversal of 51343002007 is 70020034315.
It is a de Polignac number, because none of the positive numbers 2k-51343002007 is a prime.
It is a super-2 number, since 2×513430020072 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51343002037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386683 + ... + 502204.
It is an arithmetic number, because the mean of its divisors is an integer number (3599996400).
Almost surely, 251343002007 is an apocalyptic number.
51343002007 is a deficient number, since it is larger than the sum of its proper divisors (6256940393).
51343002007 is a wasteful number, since it uses less digits than its factorization.
51343002007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889046.
The product of its (nonzero) digits is 2520, while the sum is 25.
The spelling of 51343002007 in words is "fifty-one billion, three hundred forty-three million, two thousand, seven".
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