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10111211120 = 245126390139
BaseRepresentation
bin10010110101010110…
…01101011001110000
3222002200000202002202
421122223031121300
5131201432223440
64351154202332
7505364606423
oct113253153160
928080022082
1010111211120
11431957362a
121b622833a8
13c51a57b7a
146bcc319ba
153e2a29615
hex25aacd670

10111211120 has 20 divisors (see below), whose sum is σ = 23508566040. Its totient is φ = 4044484416.

The previous prime is 10111211083. The next prime is 10111211161. The reversal of 10111211120 is 2111211101.

10111211120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 63194990 + ... + 63195149.

It is an arithmetic number, because the mean of its divisors is an integer number (1175428302).

Almost surely, 210111211120 is an apocalyptic number.

10111211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111211120 is an abundant number, since it is smaller than the sum of its proper divisors (13397354920).

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

10111211120 is a wasteful number, since it uses less digits than its factorization.

10111211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126390152 (or 126390146 counting only the distinct ones).

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

Adding to 10111211120 its reverse (2111211101), we get a palindrome (12222422221).

The spelling of 10111211120 in words is "ten billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 126390139 252780278 505560556 631950695 1011121112 1263901390 2022242224 2527802780 5055605560 10111211120