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20101124324 = 225025281081
BaseRepresentation
bin10010101110000111…
…101101000011100100
31220212212210220202002
4102232013231003210
5312131341434244
613122340504432
71311060511001
oct225607550344
956785726662
1020101124324
118585619246
123a8b9ab118
131b84623108
14d898ca8a8
157c9a93a4e
hex4ae1ed0e4

20101124324 has 6 divisors (see below), whose sum is σ = 35176967574. Its totient is φ = 10050562160.

The previous prime is 20101124311. The next prime is 20101124383. The reversal of 20101124324 is 42342110102.

It can be written as a sum of positive squares in only one way, i.e., 11972298724 + 8128825600 = 109418^2 + 90160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20101124296 and 20101124305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512640537 + ... + 2512640544.

It is an arithmetic number, because the mean of its divisors is an integer number (5862827929).

Almost surely, 220101124324 is an apocalyptic number.

It is an amenable number.

20101124324 is a deficient number, since it is larger than the sum of its proper divisors (15075843250).

20101124324 is a wasteful number, since it uses less digits than its factorization.

20101124324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025281085 (or 5025281083 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20101124324 its reverse (42342110102), we get a palindrome (62443234426).

The spelling of 20101124324 in words is "twenty billion, one hundred one million, one hundred twenty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 5025281081 10050562162 20101124324