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2164456310611 = 7421876183833
BaseRepresentation
bin11111011111110011101…
…001100100011101010011
321122220211200102000220011
4133133303221210131103
5240430301303414421
64334200522255351
7312243150036340
oct37376351443523
97586750360804
102164456310611
11764a39184081
122ab5a0057557
13129151b1b87a
1476a901797c7
153b480cc84e1
hex1f7f3a64753

2164456310611 has 16 divisors (see below), whose sum is σ = 2479852643008. Its totient is φ = 1850608166400.

The previous prime is 2164456310609. The next prime is 2164456310689. The reversal of 2164456310611 is 1160136544612.

It is not a de Polignac number, because 2164456310611 - 21 = 2164456310609 is a prime.

It is a super-2 number, since 2×21644563106112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164456310711) 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, 25776751 + ... + 25860583.

It is an arithmetic number, because the mean of its divisors is an integer number (154990790188).

Almost surely, 22164456310611 is an apocalyptic number.

2164456310611 is a deficient number, since it is larger than the sum of its proper divisors (315396332397).

2164456310611 is an equidigital number, since it uses as much as digits as its factorization.

2164456310611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93022.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 2164456310611 in words is "two trillion, one hundred sixty-four billion, four hundred fifty-six million, three hundred ten thousand, six hundred eleven".

Divisors: 1 7 421 2947 8761 61327 83833 586831 3688381 25818667 35293693 247055851 734460913 5141226391 309208044373 2164456310611