Base | Representation |
---|---|
bin | 1100001101010… |
… | …0001111101111 |
3 | 10120100021120121 |
4 | 3003110033233 |
5 | 101101413012 |
6 | 5025225411 |
7 | 1161126034 |
oct | 303241757 |
9 | 116307517 |
10 | 51201007 |
11 | 269a1090 |
12 | 15192267 |
13 | a7b8c70 |
14 | 6b2b38b |
15 | 4765a07 |
hex | 30d43ef |
51201007 has 16 divisors (see below), whose sum is σ = 61784352. Its totient is φ = 41800320.
The previous prime is 51200987. The next prime is 51201047. The reversal of 51201007 is 70010215.
It is a cyclic number.
It is not a de Polignac number, because 51201007 - 27 = 51200879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51201047) 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, 453 + ... + 10129.
It is an arithmetic number, because the mean of its divisors is an integer number (3861522).
Almost surely, 251201007 is an apocalyptic number.
51201007 is a deficient number, since it is larger than the sum of its proper divisors (10583345).
51201007 is a wasteful number, since it uses less digits than its factorization.
51201007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9738.
The product of its (nonzero) digits is 70, while the sum is 16.
The square root of 51201007 is about 7155.4878939175. The cubic root of 51201007 is about 371.3295410897.
The spelling of 51201007 in words is "fifty-one million, two hundred one thousand, seven".
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