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1385856685260 = 2233519229358907
BaseRepresentation
bin10100001010101011011…
…111101101010011001100
311220111010201211222001000
4110022223133231103030
5140201213302412020
62540353114220300
7202060551314205
oct24125337552314
94814121758030
101385856685260
11494813a73623
121a4708724690
13a08bb6c9c98
144b10c0a85ac
15260b166d090
hex142ab7ed4cc

1385856685260 has 192 divisors, whose sum is σ = 4540534387200. Its totient is φ = 349952534784.

The previous prime is 1385856685259. The next prime is 1385856685261. The reversal of 1385856685260 is 625866585831.

1385856685260 is a `hidden beast` number, since 1 + 3 + 8 + 5 + 8 + 566 + 8 + 5 + 2 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (1385856685259) and next prime (1385856685261).

It is not an unprimeable number, because it can be changed into a prime (1385856685261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23496727 + ... + 23555633.

It is an arithmetic number, because the mean of its divisors is an integer number (23648616600).

Almost surely, 21385856685260 is an apocalyptic number.

1385856685260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385856685260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270267193600).

1385856685260 is an abundant number, since it is smaller than the sum of its proper divisors (3154677701940).

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

1385856685260 is a wasteful number, since it uses less digits than its factorization.

1385856685260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61237 (or 61229 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 63.

The spelling of 1385856685260 in words is "one trillion, three hundred eighty-five billion, eight hundred fifty-six million, six hundred eighty-five thousand, two hundred sixty".