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3123380985 = 35208225399
BaseRepresentation
bin1011101000101011…
…0000001011111001
322001200012012020020
42322022300023321
522344041142420
61233532521053
7140254205004
oct27212601371
98050165206
103123380985
1113630813aa
12732020189
133aa12333a
14218b6253b
15134316340
hexba2b02f9

3123380985 has 8 divisors (see below), whose sum is σ = 4997409600. Its totient is φ = 1665803184.

The previous prime is 3123380971. The next prime is 3123381007. The reversal of 3123380985 is 5890833213.

3123380985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3123380985 - 24 = 3123380969 is a prime.

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, 104112685 + ... + 104112714.

It is an arithmetic number, because the mean of its divisors is an integer number (624676200).

Almost surely, 23123380985 is an apocalyptic number.

It is an amenable number.

3123380985 is a deficient number, since it is larger than the sum of its proper divisors (1874028615).

3123380985 is a wasteful number, since it uses less digits than its factorization.

3123380985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208225407.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3123380985 is about 55887.2166510375. The cubic root of 3123380985 is about 1461.7563439674.

The spelling of 3123380985 in words is "three billion, one hundred twenty-three million, three hundred eighty thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 208225399 624676197 1041126995 3123380985