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3102133220 = 225281551981
BaseRepresentation
bin1011100011100110…
…1100101111100100
322000012012200202222
42320321230233210
522323121230340
61231453251512
7136605461114
oct27071545744
98005180688
103102133220
11135208966a
12726a93b98
133a58c3cb4
14215dd1044
1513251a8b5
hexb8e6cbe4

3102133220 has 24 divisors (see below), whose sum is σ = 6537674808. Its totient is φ = 1236435200.

The previous prime is 3102133213. The next prime is 3102133231. The reversal of 3102133220 is 223312013.

It can be written as a sum of positive squares in 4 ways, for example, as 1132726336 + 1969406884 = 33656^2 + 44378^2 .

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, 270371 + ... + 281610.

It is an arithmetic number, because the mean of its divisors is an integer number (272403117).

Almost surely, 23102133220 is an apocalyptic number.

It is an amenable number.

3102133220 is an abundant number, since it is smaller than the sum of its proper divisors (3435541588).

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

3102133220 is a wasteful number, since it uses less digits than its factorization.

3102133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552271 (or 552269 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3102133220 is about 55696.7972149207. The cubic root of 3102133220 is about 1458.4341158613.

Adding to 3102133220 its reverse (223312013), we get a palindrome (3325445233).

The spelling of 3102133220 in words is "three billion, one hundred two million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620 551981 1103962 2207924 2759905 5519810 11039620 155106661 310213322 620426644 775533305 1551066610 3102133220