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3120164530 = 257172621987
BaseRepresentation
bin1011100111111001…
…1110111010110010
322001110010210002021
42321332132322302
522342230231110
61233335542054
7140214650410
oct27176367262
98043123067
103120164530
11136128487a
12730b2a92a
133a9568302
142185662b0
15133dcd2da
hexb9f9eeb2

3120164530 has 32 divisors (see below), whose sum is σ = 6796192896. Its totient is φ = 1006842624.

The previous prime is 3120164519. The next prime is 3120164533. The reversal of 3120164530 is 354610213.

It is a junction number, because it is equal to n+sod(n) for n = 3120164495 and 3120164504.

It is not an unprimeable number, because it can be changed into a prime (3120164533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309804 + ... + 1312183.

It is an arithmetic number, because the mean of its divisors is an integer number (212381028).

Almost surely, 23120164530 is an apocalyptic number.

3120164530 is an abundant number, since it is smaller than the sum of its proper divisors (3676028366).

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

3120164530 is a wasteful number, since it uses less digits than its factorization.

3120164530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622018.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3120164530 is about 55858.4329354127. The cubic root of 3120164530 is about 1461.2543998269.

Adding to 3120164530 its reverse (354610213), we get a palindrome (3474774743).

The spelling of 3120164530 in words is "three billion, one hundred twenty million, one hundred sixty-four thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 2621987 5243974 13109935 18353909 26219870 36707818 44573779 89147558 91769545 183539090 222868895 312016453 445737790 624032906 1560082265 3120164530