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3111020316 = 2232791093889
BaseRepresentation
bin1011100101101110…
…0110011100011100
322000210221012120200
42321123212130130
522332410122231
61232411543500
7140044144035
oct27133463434
98023835520
103111020316
1113570a9678
12729a5ab90
133a76b6131
14217265a8c
151331c3be6
hexb96e671c

3111020316 has 36 divisors (see below), whose sum is σ = 7963519200. Its totient is φ = 1023879168.

The previous prime is 3111020279. The next prime is 3111020317. The reversal of 3111020316 is 6130201113.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111020317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544101 + ... + 549788.

Almost surely, 23111020316 is an apocalyptic number.

3111020316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3111020316 is an abundant number, since it is smaller than the sum of its proper divisors (4852498884).

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

3111020316 is a wasteful number, since it uses less digits than its factorization.

3111020316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093978 (or 1093973 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3111020316 is about 55776.5211894754. The cubic root of 3111020316 is about 1459.8255117676.

Adding to 3111020316 its reverse (6130201113), we get a palindrome (9241221429).

The spelling of 3111020316 in words is "three billion, one hundred eleven million, twenty thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 237 316 474 711 948 1422 2844 1093889 2187778 3281667 4375556 6563334 9845001 13126668 19690002 39380004 86417231 172834462 259251693 345668924 518503386 777755079 1037006772 1555510158 3111020316