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2131220033210 = 25396181537941
BaseRepresentation
bin11111000000110110100…
…111001110111010111010
321112202001101111012112002
4133000312213032322322
5234404214312030320
64311022521421002
7306655422245402
oct37006647167272
97482041435462
102131220033210
11751933169a24
122a506533a762
13125c86125938
1475219dc1802
153a687ed7675
hex1f0369ceeba

2131220033210 has 16 divisors (see below), whose sum is σ = 3836212873992. Its totient is φ = 852484276800.

The previous prime is 2131220033203. The next prime is 2131220033233. The reversal of 2131220033210 is 123300221312.

Adding to 2131220033210 its reverse (123300221312), we get a palindrome (2254520254522).

It can be written as a sum of positive squares in 4 ways, for example, as 2130995602849 + 224430361 = 1459793^2 + 14981^2 .

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, 3692840 + ... + 4230780.

Almost surely, 22131220033210 is an apocalyptic number.

2131220033210 is a deficient number, since it is larger than the sum of its proper divisors (1704992840782).

2131220033210 is a wasteful number, since it uses less digits than its factorization.

2131220033210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934129.

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 2131220033210 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 396181 537941 792362 1075882 1980905 2689705 3961810 5379410 213122003321 426244006642 1065610016605 2131220033210