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20212133024 = 252573177753
BaseRepresentation
bin10010110100101111…
…001010110010100000
31221011121200202001102
4102310233022302200
5312343301224044
613141344053532
71313606203346
oct226457126240
957147622042
1020212133024
118632249776
123b010042a8
131ba161c635
14d9a545996
157d46c024e
hex4b4bcaca0

20212133024 has 48 divisors (see below), whose sum is σ = 40078658088. Its totient is φ = 10033692672.

The previous prime is 20212132999. The next prime is 20212133027. The reversal of 20212133024 is 42033121202.

It can be written as a sum of positive squares in 4 ways, for example, as 20201505424 + 10627600 = 142132^2 + 3260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20212132987 and 20212133005.

It is not an unprimeable number, because it can be changed into a prime (20212133027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603132 + ... + 2610884.

Almost surely, 220212133024 is an apocalyptic number.

It is an amenable number.

20212133024 is a deficient number, since it is larger than the sum of its proper divisors (19866525064).

20212133024 is a wasteful number, since it uses less digits than its factorization.

20212133024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20212133024 its reverse (42033121202), we get a palindrome (62245254226).

The spelling of 20212133024 in words is "twenty billion, two hundred twelve million, one hundred thirty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 32 257 317 514 634 1028 1268 2056 2536 4112 5072 7753 8224 10144 15506 31012 62024 81469 124048 162938 248096 325876 651752 1303504 1992521 2457701 2607008 3985042 4915402 7970084 9830804 15940168 19661608 31880336 39323216 63760672 78646432 631629157 1263258314 2526516628 5053033256 10106066512 20212133024