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3112545345 = 357132280253
BaseRepresentation
bin1011100110000101…
…1010110001000001
322000220210200112020
42321201122301001
522333302422340
61232504352053
7140063125140
oct27141326101
98026720466
103112545345
111357a50428
1272a475629
133a7acb310
14217541757
151333c59d0
hexb985ac41

3112545345 has 32 divisors (see below), whose sum is σ = 6129322752. Its totient is φ = 1313425152.

The previous prime is 3112545301. The next prime is 3112545349. The reversal of 3112545345 is 5435452113.

It is not a de Polignac number, because 3112545345 - 26 = 3112545281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3112545349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138762 + ... + 1141491.

It is an arithmetic number, because the mean of its divisors is an integer number (191541336).

Almost surely, 23112545345 is an apocalyptic number.

3112545345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3112545345 is a deficient number, since it is larger than the sum of its proper divisors (3016777407).

3112545345 is a wasteful number, since it uses less digits than its factorization.

3112545345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280281.

The product of its digits is 36000, while the sum is 33.

The square root of 3112545345 is about 55790.1904011807. The cubic root of 3112545345 is about 1460.0640093598.

Adding to 3112545345 its reverse (5435452113), we get a palindrome (8547997458).

The spelling of 3112545345 in words is "three billion, one hundred twelve million, five hundred forty-five thousand, three hundred forty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 2280253 6840759 11401265 15961771 29643289 34203795 47885313 79808855 88929867 148216445 207503023 239426565 444649335 622509069 1037515115 3112545345