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634868030759 = 5099553122511
BaseRepresentation
bin10010011110100010001…
…01010101110100100111
32020200201001012112122212
421033101011111310213
540400202203441014
61203353201114035
763603423136244
oct11172105256447
92220631175585
10634868030759
112252784a8146
12a306002891b
1347b38726281
1422a2903a5cb
15117ab03123e
hex93d1155d27

634868030759 has 8 divisors (see below), whose sum is σ = 635135558400. Its totient is φ = 634600569400.

The previous prime is 634868030737. The next prime is 634868030779. The reversal of 634868030759 is 957030868436.

634868030759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-634868030759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634868030698 and 634868030707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634868030779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28191314 + ... + 28213824.

It is an arithmetic number, because the mean of its divisors is an integer number (79391944800).

Almost surely, 2634868030759 is an apocalyptic number.

634868030759 is a deficient number, since it is larger than the sum of its proper divisors (267527641).

634868030759 is a wasteful number, since it uses less digits than its factorization.

634868030759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33141.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 634868030759 in words is "six hundred thirty-four billion, eight hundred sixty-eight million, thirty thousand, seven hundred fifty-nine".

Divisors: 1 5099 5531 22511 28202569 114783589 124508341 634868030759