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201828291020 = 22510091414551
BaseRepresentation
bin1011101111110111100…
…1110101000111001100
3201021221202112111021122
42323331321311013030
511301321020303040
6232415120420112
720403331111346
oct2737571650714
9637852474248
10201828291020
117865a899314
1233147a77638
1316056036395
149aa8c40296
1553b3c1a1b5
hex2efde751cc

201828291020 has 12 divisors (see below), whose sum is σ = 423839411184. Its totient is φ = 80731316400.

The previous prime is 201828290971. The next prime is 201828291029. The reversal of 201828291020 is 20192828102.

It is not an unprimeable number, because it can be changed into a prime (201828291029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5045707256 + ... + 5045707295.

It is an arithmetic number, because the mean of its divisors is an integer number (35319950932).

Almost surely, 2201828291020 is an apocalyptic number.

201828291020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201828291020 is an abundant number, since it is smaller than the sum of its proper divisors (222011120164).

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

201828291020 is a wasteful number, since it uses less digits than its factorization.

201828291020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091414560 (or 10091414558 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 201828291020 in words is "two hundred one billion, eight hundred twenty-eight million, two hundred ninety-one thousand, twenty".

Divisors: 1 2 4 5 10 20 10091414551 20182829102 40365658204 50457072755 100914145510 201828291020