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51745290353 = 17291024310247
BaseRepresentation
bin110000001100010000…
…100111100001110001
311221120012220002220022
4300030100213201301
51321433243242403
635434345053225
73511203465551
oct601420474161
9157505802808
1051745290353
111aa4395a579
12a041487215
134b58515b03
14270c445161
15152cbe2d38
hexc0c427871

51745290353 has 16 divisors (see below), whose sum is σ = 56689476480. Its totient is φ = 47012910336.

The previous prime is 51745290343. The next prime is 51745290407. The reversal of 51745290353 is 35309254715.

It is a cyclic number.

It is not a de Polignac number, because 51745290353 - 28 = 51745290097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51745290323) 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, 5044676 + ... + 5054922.

It is an arithmetic number, because the mean of its divisors is an integer number (3543092280).

Almost surely, 251745290353 is an apocalyptic number.

It is an amenable number.

51745290353 is a deficient number, since it is larger than the sum of its proper divisors (4944186127).

51745290353 is a wasteful number, since it uses less digits than its factorization.

51745290353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20536.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 51745290353 in words is "fifty-one billion, seven hundred forty-five million, two hundred ninety thousand, three hundred fifty-three".

Divisors: 1 17 29 493 10243 10247 174131 174199 297047 297163 5049799 5051771 104960021 1784320357 3043840609 51745290353