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51420033405245 = 523447130725263
BaseRepresentation
bin10111011000100001010001…
…10100110101000100111101
320202001201002112112111020202
423230100220310311010331
523214431212022431440
6301210012013253245
713554655235255351
oct1354205064650475
9222051075474222
1051420033405245
111542512838123a
125925669194225
13228cb718cc69b
14c9aa58713461
155e2846938615
hex2ec428d3513d

51420033405245 has 8 divisors (see below), whose sum is σ = 64386824438016. Its totient is φ = 39347503823056.

The previous prime is 51420033405233. The next prime is 51420033405283. The reversal of 51420033405245 is 54250433002415.

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

It is a cyclic number.

It is not a de Polignac number, because 51420033405245 - 24 = 51420033405229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51420033405199 and 51420033405208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223565362517 + ... + 223565362746.

It is an arithmetic number, because the mean of its divisors is an integer number (8048353054752).

Almost surely, 251420033405245 is an apocalyptic number.

It is an amenable number.

51420033405245 is a deficient number, since it is larger than the sum of its proper divisors (12966791032771).

51420033405245 is a wasteful number, since it uses less digits than its factorization.

51420033405245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447130725291.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 51420033405245 in words is "fifty-one trillion, four hundred twenty billion, thirty-three million, four hundred five thousand, two hundred forty-five".

Divisors: 1 5 23 115 447130725263 2235653626315 10284006681049 51420033405245