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21033011202 = 2371970925409
BaseRepresentation
bin10011100101101010…
…100100100000000010
32000021211022200012220
4103211222210200002
5321033422324302
613355030231510
71343134434240
oct234552444002
960254280186
1021033011202
118a1364a695
1240abab5596
131ca2702578
141037587790
158317bd4bc
hex4e5aa4802

21033011202 has 32 divisors (see below), whose sum is σ = 48079785600. Its totient is φ = 6008890368.

The previous prime is 21033011189. The next prime is 21033011203. The reversal of 21033011202 is 20211033012.

It is not an unprimeable number, because it can be changed into a prime (21033011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815074 + ... + 840482.

It is an arithmetic number, because the mean of its divisors is an integer number (1502493300).

Almost surely, 221033011202 is an apocalyptic number.

21033011202 is an abundant number, since it is smaller than the sum of its proper divisors (27046774398).

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

21033011202 is a wasteful number, since it uses less digits than its factorization.

21033011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45130.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21033011202 its reverse (20211033012), we get a palindrome (41244044214).

The spelling of 21033011202 in words is "twenty-one billion, thirty-three million, eleven thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 19709 25409 39418 50818 59127 76227 118254 137963 152454 177863 275926 355726 413889 533589 827778 1067178 500785981 1001571962 1502357943 3004715886 3505501867 7011003734 10516505601 21033011202