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10930129220 = 225546506461
BaseRepresentation
bin10100010110111110…
…01000100101000100
31001012201222002112202
422023133020211010
5134341103113340
65004330334032
7534600364643
oct121337104504
931181862482
1010930129220
1146a985594a
12215058a318
1310526028aa
147598c335a
1543e88bc15
hex28b7c8944

10930129220 has 12 divisors (see below), whose sum is σ = 22953271404. Its totient is φ = 4372051680.

The previous prime is 10930129169. The next prime is 10930129229. The reversal of 10930129220 is 2292103901.

It can be written as a sum of positive squares in 2 ways, for example, as 5801564224 + 5128564996 = 76168^2 + 71614^2 .

It is not an unprimeable number, because it can be changed into a prime (10930129229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273253211 + ... + 273253250.

It is an arithmetic number, because the mean of its divisors is an integer number (1912772617).

Almost surely, 210930129220 is an apocalyptic number.

10930129220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10930129220 is an abundant number, since it is smaller than the sum of its proper divisors (12023142184).

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

10930129220 is a wasteful number, since it uses less digits than its factorization.

10930129220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546506470 (or 546506468 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 10930129220 in words is "ten billion, nine hundred thirty million, one hundred twenty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 546506461 1093012922 2186025844 2732532305 5465064610 10930129220