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10210012221220 = 225772928658723
BaseRepresentation
bin1001010010010011010000…
…1001101100111100100100
31100011001211022021110210221
42110210310021230330210
52314240101112034340
633414225335454124
72102435422643530
oct224446411547444
940131738243727
1010210012221220
1132870507a7209
12118a928527344
13590a52853746
1427424ac34bc0
1512a8bc38b44a
hex9493426cf24

10210012221220 has 24 divisors (see below), whose sum is σ = 24504029331264. Its totient is φ = 3500575618656.

The previous prime is 10210012221193. The next prime is 10210012221221. The reversal of 10210012221220 is 2212221001201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10210012221194 and 10210012221203.

It is not an unprimeable number, because it can be changed into a prime (10210012221221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36464329222 + ... + 36464329501.

It is an arithmetic number, because the mean of its divisors is an integer number (1021001222136).

Almost surely, 210210012221220 is an apocalyptic number.

10210012221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210012221220 is an abundant number, since it is smaller than the sum of its proper divisors (14294017110044).

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

10210012221220 is a wasteful number, since it uses less digits than its factorization.

10210012221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72928658739 (or 72928658737 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10210012221220 its reverse (2212221001201), we get a palindrome (12422233222421).

The spelling of 10210012221220 in words is "ten trillion, two hundred ten billion, twelve million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 72928658723 145857317446 291714634892 364643293615 510500611061 729286587230 1021001222122 1458573174460 2042002444244 2552503055305 5105006110610 10210012221220