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3120717340 = 2251312002759
BaseRepresentation
bin1011101000000010…
…0101111000011100
322001111011212101201
42322000211320130
522342400423330
61233355445244
7140222442166
oct27200457034
98044155351
103120717340
111361622144
12731156824
133a96ccb10
1421866b936
15133e8beca
hexba025e1c

3120717340 has 24 divisors (see below), whose sum is σ = 7057622880. Its totient is φ = 1152264768.

The previous prime is 3120717323. The next prime is 3120717367. The reversal of 3120717340 is 437170213.

It is a junction number, because it is equal to n+sod(n) for n = 3120717299 and 3120717308.

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, 6001120 + ... + 6001639.

It is an arithmetic number, because the mean of its divisors is an integer number (294067620).

Almost surely, 23120717340 is an apocalyptic number.

It is an amenable number.

3120717340 is an abundant number, since it is smaller than the sum of its proper divisors (3936905540).

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

3120717340 is a wasteful number, since it uses less digits than its factorization.

3120717340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12002781 (or 12002779 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 3120717340 is about 55863.3810290784. The cubic root of 3120717340 is about 1461.3406931762.

Adding to 3120717340 its reverse (437170213), we get a palindrome (3557887553).

The spelling of 3120717340 in words is "three billion, one hundred twenty million, seven hundred seventeen thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 12002759 24005518 48011036 60013795 120027590 156035867 240055180 312071734 624143468 780179335 1560358670 3120717340