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20100011211202 = 21311171289536929
BaseRepresentation
bin1001001000111111001100…
…00001110011100111000010
32122011112122100012102210011
410210133212001303213002
510113304310332224302
6110425452341255134
74143115005213046
oct444374601634702
978145570172704
1020100011211202
11644a40436029a
1223076251044aa
13b2a56621a410
144d6bba99a026
1524ccaa0875d7
hex1247e60739c2

20100011211202 has 32 divisors (see below), whose sum is σ = 32523589753200. Its totient is φ = 9261415231488.

The previous prime is 20100011211173. The next prime is 20100011211227. The reversal of 20100011211202 is 20211211000102.

It can be written as a sum of positive squares in 8 ways, for example, as 4323950106921 + 15776061104281 = 2079411^2 + 3971909^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 37166674 + ... + 37703602.

Almost surely, 220100011211202 is an apocalyptic number.

20100011211202 is a deficient number, since it is larger than the sum of its proper divisors (12423578541998).

20100011211202 is a wasteful number, since it uses less digits than its factorization.

20100011211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539350.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20100011211202 its reverse (20211211000102), we get a palindrome (40311222211304).

The spelling of 20100011211202 in words is "twenty trillion, one hundred billion, eleven million, two hundred eleven thousand, two hundred two".

Divisors: 1 2 13 26 1117 1289 2234 2578 14521 16757 29042 33514 536929 1073858 1439813 2879626 6980077 13960154 18717569 37435138 599749693 692101481 1199499386 1384202962 7796746009 8997319253 15593492018 17994638506 773077354277 1546154708554 10050005605601 20100011211202