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3112211445 = 35729640109
BaseRepresentation
bin1011100110000000…
…1001001111110101
322000220011201111120
42321200021033311
522333211231240
61232453254153
7140060234520
oct27140111765
98026151446
103112211445
111357842582
1272a334359
133a7a12345
14217495bb7
1513335bad0
hexb98093f5

3112211445 has 16 divisors (see below), whose sum is σ = 5690901120. Its totient is φ = 1422725184.

The previous prime is 3112211411. The next prime is 3112211449. The reversal of 3112211445 is 5441122113.

3112211445 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3112211445 - 28 = 3112211189 is a prime.

It is a super-3 number, since 3×31122114453 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112211449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14819950 + ... + 14820159.

It is an arithmetic number, because the mean of its divisors is an integer number (355681320).

Almost surely, 23112211445 is an apocalyptic number.

3112211445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3112211445 is a deficient number, since it is larger than the sum of its proper divisors (2578689675).

3112211445 is a wasteful number, since it uses less digits than its factorization.

3112211445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29640124.

The product of its digits is 960, while the sum is 24.

The square root of 3112211445 is about 55787.1978593655. The cubic root of 3112211445 is about 1460.0117977717.

Adding to 3112211445 its reverse (5441122113), we get a palindrome (8553333558).

The spelling of 3112211445 in words is "three billion, one hundred twelve million, two hundred eleven thousand, four hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 29640109 88920327 148200545 207480763 444601635 622442289 1037403815 3112211445