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612430131686863 = 7179083488544523
BaseRepresentation
bin1000101101000000001000000…
…0011100101110110111001111
32222022102202012212121221021211
42023100002000130232313033
51120233023402202434423
610010310303553235251
7242666421404300230
oct21320020034566717
92868382185557254
10612430131686863
11168159184353496
125883108bb62b27
1320395bb5289149
14ab33ac2b37087
154ac0aa6e7410d
hex22d008072edcf

612430131686863 has 8 divisors (see below), whose sum is σ = 699924060288128. Its totient is φ = 524937180532824.

The previous prime is 612430131686771. The next prime is 612430131686921. The reversal of 612430131686863 is 368686131034216.

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 612430131686863 - 237 = 612292692733391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612430131686798 and 612430131686807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612430131696863) 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, 243018681 + ... + 245525842.

It is an arithmetic number, because the mean of its divisors is an integer number (87490507536016).

Almost surely, 2612430131686863 is an apocalyptic number.

612430131686863 is a deficient number, since it is larger than the sum of its proper divisors (87493928601265).

612430131686863 is a wasteful number, since it uses less digits than its factorization.

612430131686863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488723613.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 612430131686863 in words is "six hundred twelve trillion, four hundred thirty billion, one hundred thirty-one million, six hundred eighty-six thousand, eight hundred sixty-three".

Divisors: 1 7 179083 1253581 488544523 3419811661 87490018812409 612430131686863