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20112021102 = 233609792861
BaseRepresentation
bin10010101110110001…
…010001011001101110
31220220122022112022110
4102232301101121232
5312142134133402
613123410224450
71311252234015
oct225661213156
956818275273
1020112021102
118590791148
123a93585126
131b86969c04
14d8b125a7c
157ca9e756c
hex4aec5166e

20112021102 has 16 divisors (see below), whose sum is σ = 40225589712. Its totient is φ = 6703749120.

The previous prime is 20112021089. The next prime is 20112021119.

20112021102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170152 + ... + 263012.

It is an arithmetic number, because the mean of its divisors is an integer number (2514099357).

Almost surely, 220112021102 is an apocalyptic number.

20112021102 is an abundant number, since it is smaller than the sum of its proper divisors (20113568610).

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

20112021102 is a wasteful number, since it uses less digits than its factorization.

20112021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128963.

The product of its (nonzero) digits is 16, while the sum is 12.

It can be divided in two parts, 201120 and 21102, that added together give a palindrome (222222).

The spelling of 20112021102 in words is "twenty billion, one hundred twelve million, twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 36097 72194 92861 108291 185722 216582 278583 557166 3352003517 6704007034 10056010551 20112021102