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53694943770 = 23513137679343
BaseRepresentation
bin110010000000011101…
…111101001000011010
312010121002111202121010
4302000131331020122
51334431401200040
640400032554350
73610416330366
oct620035751032
9163532452533
1053694943770
1120854439a96
12a4a63b29b6
1350a94130a0
1428553562a6
1515e3e5ce80
hexc8077d21a

53694943770 has 32 divisors (see below), whose sum is σ = 138780778752. Its totient is φ = 13217216832.

The previous prime is 53694943769. The next prime is 53694943801. The reversal of 53694943770 is 7734949635.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 53694943770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68839282 + ... + 68840061.

It is an arithmetic number, because the mean of its divisors is an integer number (4336899336).

Almost surely, 253694943770 is an apocalyptic number.

53694943770 is an abundant number, since it is smaller than the sum of its proper divisors (85085834982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53694943770 is a wasteful number, since it uses less digits than its factorization.

53694943770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137679366.

The product of its (nonzero) digits is 17146080, while the sum is 57.

The spelling of 53694943770 in words is "fifty-three billion, six hundred ninety-four million, nine hundred forty-three thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 137679343 275358686 413038029 688396715 826076058 1376793430 1789831459 2065190145 3579662918 4130380290 5369494377 8949157295 10738988754 17898314590 26847471885 53694943770