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51045021301 = 479711196539
BaseRepresentation
bin101111100010100001…
…010011011001110101
311212202102012202100111
4233202201103121311
51314020011140201
635241051543021
73454641344041
oct574241233165
9155672182314
1051045021301
111a71464701a
129a86a5aa71
134a76411121
14268343b021
1514db4bab51
hexbe2853675

51045021301 has 8 divisors (see below), whose sum is σ = 52668524160. Its totient is φ = 49443911808.

The previous prime is 51045021257. The next prime is 51045021329. The reversal of 51045021301 is 10312054015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51045021301 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 (51045081301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593711 + ... + 5602828.

It is an arithmetic number, because the mean of its divisors is an integer number (6583565520).

Almost surely, 251045021301 is an apocalyptic number.

It is an amenable number.

51045021301 is a deficient number, since it is larger than the sum of its proper divisors (1623502859).

51045021301 is a wasteful number, since it uses less digits than its factorization.

51045021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196683.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 51045021301 its reverse (10312054015), we get a palindrome (61357075316).

The spelling of 51045021301 in words is "fifty-one billion, forty-five million, twenty-one thousand, three hundred one".

Divisors: 1 47 97 4559 11196539 526237333 1086064283 51045021301