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10121110112 = 257322319429
BaseRepresentation
bin10010110110100001…
…11110001001100000
3222010100122122222002
421123100332021200
5131212001010422
64352150303132
7505545005441
oct113320761140
928110578862
1010121110112
114324114913
121b65657aa8
13c53b12769
146c028b2c8
153e3832692
hex25b43e260

10121110112 has 48 divisors (see below), whose sum is σ = 20290515840. Its totient is φ = 4968594432.

The previous prime is 10121110093. The next prime is 10121110117. The reversal of 10121110112 is 21101112101.

It is a junction number, because it is equal to n+sod(n) for n = 10121110093 and 10121110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121110117) 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, 511214 + ... + 530642.

It is an arithmetic number, because the mean of its divisors is an integer number (422719080).

Almost surely, 210121110112 is an apocalyptic number.

It is an amenable number.

10121110112 is an abundant number, since it is smaller than the sum of its proper divisors (10169405728).

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

10121110112 is a wasteful number, since it uses less digits than its factorization.

10121110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19735 (or 19727 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10121110112 its reverse (21101112101), we get a palindrome (31222222213).

The spelling of 10121110112 in words is "ten billion, one hundred twenty-one million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 73 146 223 292 446 584 892 1168 1784 2336 3568 7136 16279 19429 32558 38858 65116 77716 130232 155432 260464 310864 520928 621728 1418317 2836634 4332667 5673268 8665334 11346536 17330668 22693072 34661336 45386144 69322672 138645344 316284691 632569382 1265138764 2530277528 5060555056 10121110112