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2628802220 = 2251111949101
BaseRepresentation
bin1001110010110000…
…0101011010101100
320210012112222201012
42130230011122230
520340433132340
61112504204352
7122100310262
oct23454053254
96705488635
102628802220
111129988020
126144696b8
1332b818995
141ad1bc432
15105bbe565
hex9cb056ac

2628802220 has 24 divisors (see below), whose sum is σ = 6022347408. Its totient is φ = 955928000.

The previous prime is 2628802219. The next prime is 2628802249. The reversal of 2628802220 is 222088262.

It is a super-3 number, since 3×26288022203 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 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, 5974331 + ... + 5974770.

It is an arithmetic number, because the mean of its divisors is an integer number (250931142).

Almost surely, 22628802220 is an apocalyptic number.

2628802220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628802220 is an abundant number, since it is smaller than the sum of its proper divisors (3393545188).

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

2628802220 is a wasteful number, since it uses less digits than its factorization.

2628802220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11949121 (or 11949119 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 2628802220 is about 51271.8462706386. The cubic root of 2628802220 is about 1380.1278009485.

The spelling of 2628802220 in words is "two billion, six hundred twenty-eight million, eight hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11949101 23898202 47796404 59745505 119491010 131440111 238982020 262880222 525760444 657200555 1314401110 2628802220