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78470077063 = 7237110396607
BaseRepresentation
bin100100100010100101…
…1100101101010000111
321111112201021221021111
41021011023211222013
52241201314431223
6100014302025451
75445363435610
oct1110513455207
9244481257244
1078470077063
1130308349364
121325b578287
137527196981
143b258c6c07
15209401330d
hex12452e5a87

78470077063 has 32 divisors (see below), whose sum is σ = 95002951680. Its totient is φ = 63358938720.

The previous prime is 78470077031. The next prime is 78470077069. The reversal of 78470077063 is 36077007487.

It is not a de Polignac number, because 78470077063 - 25 = 78470077031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78470076998 and 78470077016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78470077069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11873506 + ... + 11880112.

It is an arithmetic number, because the mean of its divisors is an integer number (2968842240).

Almost surely, 278470077063 is an apocalyptic number.

78470077063 is a deficient number, since it is larger than the sum of its proper divisors (16532874617).

78470077063 is a wasteful number, since it uses less digits than its factorization.

78470077063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The spelling of 78470077063 in words is "seventy-eight billion, four hundred seventy million, seventy-seven thousand, sixty-three".

Divisors: 1 7 23 71 161 497 1039 1633 6607 7273 11431 23897 46249 73769 151961 167279 469097 516383 1063727 1696687 3283679 6864673 10789231 11876809 48052711 75524617 157887479 487391783 1105212353 3411742481 11210011009 78470077063