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83203135488 = 21132114110009
BaseRepresentation
bin100110101111101001…
…0110001100000000000
321221202120101012211200
41031133102301200000
52330400000313423
6102120055541200
76003564661014
oct1153722614000
9257676335750
1083203135488
11323170011a0
121416068a800
137acc930865
14405433c544
15226e7dad43
hex135f4b1800

83203135488 has 288 divisors, whose sum is σ = 268572704400. Its totient is φ = 24595660800.

The previous prime is 83203135469. The next prime is 83203135511. The reversal of 83203135488 is 88453130238.

83203135488 is a `hidden beast` number, since 8 + 32 + 0 + 3 + 135 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8307828 + ... + 8317836.

Almost surely, 283203135488 is an apocalyptic number.

83203135488 is a gapful number since it is divisible by the number (88) 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 83203135488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134286352200).

83203135488 is an abundant number, since it is smaller than the sum of its proper divisors (185369568912).

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

83203135488 is a wasteful number, since it uses less digits than its factorization.

83203135488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089 (or 10066 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 83203135488 in words is "eighty-three billion, two hundred three million, one hundred thirty-five thousand, four hundred eighty-eight".