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3105212543311 = 8389514179667
BaseRepresentation
bin101101001011111101000…
…101110011000101001111
3101222212002121020020212111
4231023331011303011033
5401333433402341221
610334303121244451
7440226030055624
oct55137505630517
911885077206774
103105212543311
11a97a0558980a
12421989493727
13196a882278a8
14aa41634434b
1555b913babe1
hex2d2fd17314f

3105212543311 has 8 divisors (see below), whose sum is σ = 3142976586624. Its totient is φ = 3067456877400.

The previous prime is 3105212543291. The next prime is 3105212543399. The reversal of 3105212543311 is 1133452125013.

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 3105212543311 - 27 = 3105212543183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105212543911) 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, 1346901 + ... + 2832766.

It is an arithmetic number, because the mean of its divisors is an integer number (392872073328).

Almost surely, 23105212543311 is an apocalyptic number.

3105212543311 is a deficient number, since it is larger than the sum of its proper divisors (37764043313).

3105212543311 is an equidigital number, since it uses as much as digits as its factorization.

3105212543311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188701.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 3105212543311 its reverse (1133452125013), we get a palindrome (4238664668324).

The spelling of 3105212543311 in words is "three trillion, one hundred five billion, two hundred twelve million, five hundred forty-three thousand, three hundred eleven".

Divisors: 1 83 8951 742933 4179667 346912361 37412199317 3105212543311