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206030297088 = 2113371125383
BaseRepresentation
bin1011111111100001011…
…1001101100000000000
3201200210121100111222000
42333320113031200000
511333422224001323
6234352104144000
720612423426040
oct2777027154000
9650717314860
10206030297088
117a416805700
1233b1b168000
13165757651c5
149d86d39720
15555ca93e43
hex2ff85cd800

206030297088 has 1152 divisors, whose sum is σ = 790548595200. Its totient is φ = 51872071680.

The previous prime is 206030297071. The next prime is 206030297089. The reversal of 206030297088 is 880792030602.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206030297089) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2482292695 + ... + 2482292777.

It is an arithmetic number, because the mean of its divisors is an integer number (686240100).

Almost surely, 2206030297088 is an apocalyptic number.

206030297088 is a gapful number since it is divisible by the number (28) 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 206030297088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395274297600).

206030297088 is an abundant number, since it is smaller than the sum of its proper divisors (584518298112).

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

206030297088 is a wasteful number, since it uses less digits than its factorization.

206030297088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 206030297088 in words is "two hundred six billion, thirty million, two hundred ninety-seven thousand, eighty-eight".