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214421164643 = 7161918920071
BaseRepresentation
bin1100011110110001111…
…1110101001001100011
3202111110101020202100102
43013230133311021203
512003113304232033
6242300445413015
721330361553540
oct3075437651143
9674411222312
10214421164643
1182a32180694
123568126a16b
13172b1c6cbaa
14a5414abbc7
15589e54bde8
hex31ec7f5263

214421164643 has 8 divisors (see below), whose sum is σ = 245204133120. Its totient is φ = 183676039560.

The previous prime is 214421164609. The next prime is 214421164649. The reversal of 214421164643 is 346461124412.

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 214421164643 - 216 = 214421099107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214421164597 and 214421164606.

It is not an unprimeable number, because it can be changed into a prime (214421164649) 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, 9448703 + ... + 9471368.

It is an arithmetic number, because the mean of its divisors is an integer number (30650516640).

Almost surely, 2214421164643 is an apocalyptic number.

214421164643 is a deficient number, since it is larger than the sum of its proper divisors (30782968477).

214421164643 is a wasteful number, since it uses less digits than its factorization.

214421164643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18921697.

The product of its digits is 110592, while the sum is 38.

The spelling of 214421164643 in words is "two hundred fourteen billion, four hundred twenty-one million, one hundred sixty-four thousand, six hundred forty-three".

Divisors: 1 7 1619 11333 18920071 132440497 30631594949 214421164643