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3122078311 = 11523542687
BaseRepresentation
bin1011101000010111…
…0010001001100111
322001120202000022001
42322011302021213
522343223001221
61233444550131
7140240141062
oct27205621147
98046660261
103122078311
111362371710
127316b2347
133a9a88421
142189038d9
1513415a391
hexba172267

3122078311 has 8 divisors (see below), whose sum is σ = 3412422144. Its totient is φ = 2832820920.

The previous prime is 3122078303. The next prime is 3122078327. The reversal of 3122078311 is 1138702213.

3122078311 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 a cyclic number.

It is not a de Polignac number, because 3122078311 - 23 = 3122078303 is a prime.

It is a super-2 number, since 2×31220783112 = 19494745960033225442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3122078311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122078371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265591 + ... + 277096.

It is an arithmetic number, because the mean of its divisors is an integer number (426552768).

Almost surely, 23122078311 is an apocalyptic number.

3122078311 is a deficient number, since it is larger than the sum of its proper divisors (290343833).

3122078311 is a wasteful number, since it uses less digits than its factorization.

3122078311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543221.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 3122078311 is about 55875.5609457301. The cubic root of 3122078311 is about 1461.5530966122.

The spelling of 3122078311 in words is "three billion, one hundred twenty-two million, seventy-eight thousand, three hundred eleven".

Divisors: 1 11 523 5753 542687 5969557 283825301 3122078311