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214211555663 = 768771444979
BaseRepresentation
bin1100011110000000000…
…0001111000101001111
3202110220202211111212212
43013200000033011033
512002201124240123
6242224001021035
721322235115620
oct3074000170517
9673822744785
10214211555663
1182934925326
123562302477b
131727a700001
14a521707a47
15588ae45878
hex31e000f14f

214211555663 has 8 divisors (see below), whose sum is σ = 244817316480. Its totient is φ = 183606822360.

The previous prime is 214211555659. The next prime is 214211555681. The reversal of 214211555663 is 366555112412.

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 214211555663 - 22 = 214211555659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214211555663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214211555633) 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, 258908 + ... + 703886.

It is an arithmetic number, because the mean of its divisors is an integer number (30602164560).

Almost surely, 2214211555663 is an apocalyptic number.

214211555663 is a deficient number, since it is larger than the sum of its proper divisors (30605760817).

214211555663 is an equidigital number, since it uses as much as digits as its factorization.

214211555663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513757.

The product of its digits is 216000, while the sum is 41.

The spelling of 214211555663 in words is "two hundred fourteen billion, two hundred eleven million, five hundred fifty-five thousand, six hundred sixty-three".

Divisors: 1 7 68771 444979 481397 3114853 30601650809 214211555663