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10210022221220 = 2251932645083477
BaseRepresentation
bin1001010010010011010010…
…1111110110010110100100
31100011001212000002112020022
42110210310233312112210
52314240111142034340
633414230334054312
72102435603643203
oct224446457662644
940131760075208
1010210022221220
113287056407378
12118a92b94a398
13590a549452c3
1427424c2b923a
1512a8bd1b43b5
hex94934bf65a4

10210022221220 has 24 divisors (see below), whose sum is σ = 21552140178744. Its totient is φ = 4062848219136.

The previous prime is 10210022221219. The next prime is 10210022221297. The reversal of 10210022221220 is 2212222001201.

It is a happy number.

10210022221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1130985456484 + 9079036764736 = 1063478^2 + 3013144^2 .

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, 1322537879 + ... + 1322545598.

It is an arithmetic number, because the mean of its divisors is an integer number (898005840781).

Almost surely, 210210022221220 is an apocalyptic number.

10210022221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210022221220 is an abundant number, since it is smaller than the sum of its proper divisors (11342117957524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10210022221220 is a wasteful number, since it uses less digits than its factorization.

10210022221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645083679 (or 2645083677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10210022221220 its reverse (2212222001201), we get a palindrome (12422244222421).

The spelling of 10210022221220 in words is "ten trillion, two hundred ten billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 2645083477 5290166954 10580333908 13225417385 26450834770 52901669540 510501111061 1021002222122 2042004444244 2552505555305 5105011110610 10210022221220