Base | Representation |
---|---|
bin | 1011000000000111100… |
… | …0101110000000000000 |
3 | 200001212110001100020200 |
4 | 2300001320232000000 |
5 | 11044043103103340 |
6 | 222455144405200 |
7 | 16440564151236 |
oct | 2600170560000 |
9 | 601773040220 |
10 | 189010206720 |
11 | 73182374915 |
12 | 3076b176800 |
13 | 14a9255950a |
14 | 921070a956 |
15 | 4db374e330 |
hex | 2c01e2e000 |
189010206720 has 336 divisors, whose sum is σ = 669197056320. Its totient is φ = 49325801472.
The previous prime is 189010206659. The next prime is 189010206727. The reversal of 189010206720 is 27602010981.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189010206727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17320626 + ... + 17331534.
Almost surely, 2189010206720 is an apocalyptic number.
189010206720 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 189010206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334598528160).
189010206720 is an abundant number, since it is smaller than the sum of its proper divisors (480186849600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189010206720 is a wasteful number, since it uses less digits than its factorization.
189010206720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10993 (or 10966 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The spelling of 189010206720 in words is "one hundred eighty-nine billion, ten million, two hundred six thousand, seven hundred twenty".
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