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10121111140 = 2257193804929
BaseRepresentation
bin10010110110100001…
…11110011001100100
3222010100122201101011
421123100332121210
5131212001024030
64352150312004
7505545011440
oct113320763144
928110581334
1010121111140
114324115668
121b65658604
13c53b1307a
146c028b820
153e3832b2a
hex25b43e664

10121111140 has 48 divisors (see below), whose sum is σ = 25569129600. Its totient is φ = 3287457792.

The previous prime is 10121111101. The next prime is 10121111191. The reversal of 10121111140 is 4111112101.

10121111140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10121111140.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1899805 + ... + 1905124.

It is an arithmetic number, because the mean of its divisors is an integer number (532690200).

Almost surely, 210121111140 is an apocalyptic number.

10121111140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121111140 is an abundant number, since it is smaller than the sum of its proper divisors (15448018460).

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

10121111140 is a wasteful number, since it uses less digits than its factorization.

10121111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804964 (or 3804962 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10121111140 its reverse (4111112101), we get a palindrome (14232223241).

The spelling of 10121111140 in words is "ten billion, one hundred twenty-one million, one hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 3804929 7609858 15219716 19024645 26634503 38049290 53269006 72293651 76098580 106538012 133172515 144587302 266345030 289174604 361468255 506055557 532690060 722936510 1012111114 1445873020 2024222228 2530277785 5060555570 10121111140