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10111103020 = 225505555151
BaseRepresentation
bin10010110101010101…
…10011000000101100
3222002122211020211001
421122222303000230
5131201420244040
64351152010044
7505363646314
oct113252630054
928078736731
1010111103020
1143194aa397
121b62230924
13c51a1a8c5
146bcc04444
153e2a0759a
hex25aab302c

10111103020 has 12 divisors (see below), whose sum is σ = 21233316384. Its totient is φ = 4044441200.

The previous prime is 10111102999. The next prime is 10111103059. The reversal of 10111103020 is 2030111101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10111102988 and 10111103006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252777556 + ... + 252777595.

It is an arithmetic number, because the mean of its divisors is an integer number (1769443032).

Almost surely, 210111103020 is an apocalyptic number.

10111103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111103020 is an abundant number, since it is smaller than the sum of its proper divisors (11122213364).

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

10111103020 is a wasteful number, since it uses less digits than its factorization.

10111103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505555160 (or 505555158 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10111103020 its reverse (2030111101), we get a palindrome (12141214121).

The spelling of 10111103020 in words is "ten billion, one hundred eleven million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 505555151 1011110302 2022220604 2527775755 5055551510 10111103020