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3123313230 = 235217947779
BaseRepresentation
bin1011101000101001…
…1111101001001110
322001200001202021210
42322022133221032
522344032010410
61233531235250
7140253503322
oct27212375116
98050052253
103123313230
111363035504
12731ba8b26
133aa0cb54b
14218b45982
15134301220
hexba29fa4e

3123313230 has 32 divisors (see below), whose sum is σ = 7499548800. Its totient is φ = 832483872.

The previous prime is 3123313139. The next prime is 3123313241. The reversal of 3123313230 is 323133213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3123313197 and 3123313206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41481 + ... + 89259.

It is an arithmetic number, because the mean of its divisors is an integer number (234360900).

Almost surely, 23123313230 is an apocalyptic number.

3123313230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3123313230 is an abundant number, since it is smaller than the sum of its proper divisors (4376235570).

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

3123313230 is a wasteful number, since it uses less digits than its factorization.

3123313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49968.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 3123313230 is about 55886.6104715611. The cubic root of 3123313230 is about 1461.7457740094.

Adding to 3123313230 its reverse (323133213), we get a palindrome (3446446443).

The spelling of 3123313230 in words is "three billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2179 4358 6537 10895 13074 21790 32685 47779 65370 95558 143337 238895 286674 477790 716685 1433370 104110441 208220882 312331323 520552205 624662646 1041104410 1561656615 3123313230