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1220210110010 = 25294207621069
BaseRepresentation
bin10001110000011010001…
…100001010111000111010
311022122120112121001222102
4101300122030022320322
5124442442242010020
62332320133223402
7154104641542403
oct21603214127072
94278515531872
101220210110010
11430540883951
12178599a91b62
138b0b0679598
14430b66a49aa
1521b1910b475
hex11c1a30ae3a

1220210110010 has 16 divisors (see below), whose sum is σ = 2272115377800. Its totient is φ = 471253559616.

The previous prime is 1220210110001. The next prime is 1220210110033. The reversal of 1220210110010 is 100110120221.

It can be written as a sum of positive squares in 4 ways, for example, as 1012677929761 + 207532180249 = 1006319^2 + 455557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220210109973 and 1220210110000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103810245 + ... + 2103810824.

Almost surely, 21220210110010 is an apocalyptic number.

1220210110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220210110010 is a deficient number, since it is larger than the sum of its proper divisors (1051905267790).

1220210110010 is a wasteful number, since it uses less digits than its factorization.

1220210110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207621105.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220210110010 its reverse (100110120221), we get a palindrome (1320320230231).

The spelling of 1220210110010 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 29 58 145 290 4207621069 8415242138 21038105345 42076210690 122021011001 244042022002 610105055005 1220210110010