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10120201021 = 7192910612473
BaseRepresentation
bin10010110110011011…
…00000001100111101
3222010021221110221001
421123031200030331
5131211232413041
64352115010301
7505534201150
oct113315401475
928107843831
1010120201021
1143236538a7
121b65299991
13c53884a38
146c00d1c97
153e3703131
hex25b36033d

10120201021 has 32 divisors (see below), whose sum is σ = 12611462400. Its totient is φ = 7923847680.

The previous prime is 10120201019. The next prime is 10120201027. The reversal of 10120201021 is 12010202101.

10120201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120201021 - 21 = 10120201019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120200989 and 10120201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120201027) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 4091041 + ... + 4093513.

It is an arithmetic number, because the mean of its divisors is an integer number (394108200).

Almost surely, 210120201021 is an apocalyptic number.

It is an amenable number.

10120201021 is a deficient number, since it is larger than the sum of its proper divisors (2491261379).

10120201021 is a wasteful number, since it uses less digits than its factorization.

10120201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10120201021 its reverse (12010202101), we get a palindrome (22130403122).

The spelling of 10120201021 in words is "ten billion, one hundred twenty million, two hundred one thousand, twenty-one".

Divisors: 1 7 19 29 133 203 551 1061 2473 3857 7427 17311 20159 30769 46987 71717 141113 215383 328909 502019 584611 1362623 2623853 4092277 9538361 18366971 49853207 76091737 348972449 532642159 1445743003 10120201021