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68583694461 = 322861231487
BaseRepresentation
bin111111110111111010…
…000010000001111101
320120000201022122220220
4333313322002001331
52110424411210321
651301254331553
74645365532662
oct776772020175
9216021278826
1068583694461
11270a4786827
1211360659bb9
13660cbaa239
14346889ba69
151bb60e99c6
hexff7e8207d

68583694461 has 4 divisors (see below), whose sum is σ = 91444925952. Its totient is φ = 45722462972.

The previous prime is 68583694349. The next prime is 68583694481. The reversal of 68583694461 is 16449638586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68583694461 - 215 = 68583661693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68583694395 and 68583694404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68583694481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11430615741 + ... + 11430615746.

It is an arithmetic number, because the mean of its divisors is an integer number (22861231488).

Almost surely, 268583694461 is an apocalyptic number.

It is an amenable number.

68583694461 is a deficient number, since it is larger than the sum of its proper divisors (22861231491).

68583694461 is a wasteful number, since it uses less digits than its factorization.

68583694461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22861231490.

The product of its digits is 29859840, while the sum is 60.

The spelling of 68583694461 in words is "sixty-eight billion, five hundred eighty-three million, six hundred ninety-four thousand, four hundred sixty-one".

Divisors: 1 3 22861231487 68583694461