Search a number
-
+
1020210111110 = 251092114435889
BaseRepresentation
bin11101101100010010100…
…00101110001010000110
310121112100012022102222202
432312021100232022012
5113203342242023420
62100402243154502
7133464520601531
oct16661120561206
93545305272882
101020210111110
1136373a013563
12145882375a32
137528935aa78
14375425c3a18
151b810b87575
hexed8942e286

1020210111110 has 32 divisors (see below), whose sum is σ = 1862009186400. Its totient is φ = 402423759360.

The previous prime is 1020210111103. The next prime is 1020210111149. The reversal of 1020210111110 is 111110120201.

It is a super-2 number, since 2×10202101111102 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020210111091 and 1020210111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987955 + ... + 2447934.

It is an arithmetic number, because the mean of its divisors is an integer number (58187787075).

Almost surely, 21020210111110 is an apocalyptic number.

1020210111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020210111110 is a deficient number, since it is larger than the sum of its proper divisors (841799075290).

1020210111110 is a wasteful number, since it uses less digits than its factorization.

1020210111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436216.

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

Adding to 1020210111110 its reverse (111110120201), we get a palindrome (1131320231311).

Subtracting from 1020210111110 its reverse (111110120201), we obtain a palindrome (909099990909).

The spelling of 1020210111110 in words is "one trillion, twenty billion, two hundred ten million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 109 211 218 422 545 1055 1090 2110 22999 45998 114995 229990 4435889 8871778 22179445 44358890 483511901 935972579 967023802 1871945158 2417559505 4679862895 4835119010 9359725790 102021011111 204042022222 510105055555 1020210111110