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3111706345 = 511137412967
BaseRepresentation
bin1011100101111000…
…1101111011101001
322000212020001122011
42321132031323221
522333044100340
61232434355521
7140053032106
oct27136157351
98025201564
103111706345
111357528040
1272a12bba1
133a7896477
142173a3aad
151332ac0ea
hexb978dee9

3111706345 has 16 divisors (see below), whose sum is σ = 4103250048. Its totient is φ = 2246535040.

The previous prime is 3111706277. The next prime is 3111706387. The reversal of 3111706345 is 5436071113.

It is not a de Polignac number, because 3111706345 - 29 = 3111705833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198949 + ... + 214018.

It is an arithmetic number, because the mean of its divisors is an integer number (256453128).

Almost surely, 23111706345 is an apocalyptic number.

It is an amenable number.

3111706345 is a deficient number, since it is larger than the sum of its proper divisors (991543703).

3111706345 is a wasteful number, since it uses less digits than its factorization.

3111706345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413120.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 3111706345 is about 55782.6706513770. The cubic root of 3111706345 is about 1459.9328087237.

Adding to 3111706345 its reverse (5436071113), we get a palindrome (8547777458).

The spelling of 3111706345 in words is "three billion, one hundred eleven million, seven hundred six thousand, three hundred forty-five".

Divisors: 1 5 11 55 137 685 1507 7535 412967 2064835 4542637 22713185 56576479 282882395 622341269 3111706345