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10992079220 = 225619009901
BaseRepresentation
bin10100011110010110…
…11101000101110100
31001101001112110222012
422033023131011310
5140002433013340
65014422223352
7536252063123
oct121713350564
931331473865
1010992079220
1147308188a1
122169284b58
1310623b32b5
14763c0baba
15445027565
hex28f2dd174

10992079220 has 24 divisors (see below), whose sum is σ = 23461784808. Its totient is φ = 4324752000.

The previous prime is 10992079199. The next prime is 10992079237. The reversal of 10992079220 is 2297029901.

It can be written as a sum of positive squares in 4 ways, for example, as 375661924 + 10616417296 = 19382^2 + 103036^2 .

It is a congruent number.

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, 4503731 + ... + 4506170.

It is an arithmetic number, because the mean of its divisors is an integer number (977574367).

Almost surely, 210992079220 is an apocalyptic number.

10992079220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10992079220 is an abundant number, since it is smaller than the sum of its proper divisors (12469705588).

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

10992079220 is a wasteful number, since it uses less digits than its factorization.

10992079220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009971 (or 9009969 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 10992079220 in words is "ten billion, nine hundred ninety-two million, seventy-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 9009901 18019802 36039604 45049505 90099010 180198020 549603961 1099207922 2198415844 2748019805 5496039610 10992079220