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51030313453 = 7591201102881
BaseRepresentation
bin101111100001101001…
…001100100111101101
311212201101112111222101
4233201221030213231
51314002230012303
635235404415101
73454402336030
oct574151144755
9155641474871
1051030313453
111a707310879
129a81b47491
134a73361762
1426814cd017
1514da062d1d
hexbe1a4c9ed

51030313453 has 16 divisors (see below), whose sum is σ = 59358798720. Its totient is φ = 42962688000.

The previous prime is 51030313441. The next prime is 51030313483. The reversal of 51030313453 is 35431303015.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51030313453 is a prime.

It is a super-2 number, since 2×510303134532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51030313483) 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, 444573 + ... + 547453.

It is an arithmetic number, because the mean of its divisors is an integer number (3709924920).

Almost surely, 251030313453 is an apocalyptic number.

It is an amenable number.

51030313453 is a deficient number, since it is larger than the sum of its proper divisors (8328485267).

51030313453 is a wasteful number, since it uses less digits than its factorization.

51030313453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104148.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 51030313453 its reverse (35431303015), we get a palindrome (86461616468).

The spelling of 51030313453 in words is "fifty-one billion, thirty million, three hundred thirteen thousand, four hundred fifty-three".

Divisors: 1 7 59 413 1201 8407 70859 102881 496013 720167 6069979 42489853 123560081 864920567 7290044779 51030313453