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20102012110 = 2516783914347
BaseRepresentation
bin10010101110001011…
…000101110011001110
31220212221111000120001
4102232023011303032
5312132103341420
613122411514514
71311101166205
oct225613056316
956787430501
1020102012110
118586075254
123a90158a3a
131b8487422b
14d89a7c23c
157c9bbbb0a
hex4ae2c5cce

20102012110 has 32 divisors (see below), whose sum is σ = 36446215680. Its totient is φ = 7982573472.

The previous prime is 20102012089. The next prime is 20102012129. The reversal of 20102012110 is 1121020102.

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

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, 1393957 + ... + 1408303.

It is an arithmetic number, because the mean of its divisors is an integer number (1138944240).

Almost surely, 220102012110 is an apocalyptic number.

20102012110 is a deficient number, since it is larger than the sum of its proper divisors (16344203570).

20102012110 is a wasteful number, since it uses less digits than its factorization.

20102012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20102012110 its reverse (1121020102), we get a palindrome (21223032212).

The spelling of 20102012110 in words is "twenty billion, one hundred two million, twelve thousand, one hundred ten".

Divisors: 1 2 5 10 167 334 835 839 1670 1678 4195 8390 14347 28694 71735 140113 143470 280226 700565 1401130 2395949 4791898 11979745 12037133 23959490 24074266 60185665 120371330 2010201211 4020402422 10051006055 20102012110