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214953819769 = 1347351806579
BaseRepresentation
bin1100100000110000111…
…1101111111001111001
3202112211111112102211001
43020030033233321321
512010211134213034
6242425354205001
721346520215123
oct3101417577171
9675744472731
10214953819769
1183185911337
12357ab723761
1317368419640
14a592124213
1558d11b5a14
hex320c3efe79

214953819769 has 8 divisors (see below), whose sum is σ = 236414021760. Its totient is φ = 194197231056.

The previous prime is 214953819761. The next prime is 214953819781. The reversal of 214953819769 is 967918359412.

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 214953819769 - 23 = 214953819761 is a prime.

It is a super-2 number, since 2×2149538197692 (a number of 23 digits) contains 22 as substring.

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 214953819769.

It is not an unprimeable number, because it can be changed into a prime (214953819761) 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, 175902679 + ... + 175903900.

It is an arithmetic number, because the mean of its divisors is an integer number (29551752720).

Almost surely, 2214953819769 is an apocalyptic number.

It is an amenable number.

214953819769 is a deficient number, since it is larger than the sum of its proper divisors (21460201991).

214953819769 is a wasteful number, since it uses less digits than its factorization.

214953819769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351806639.

The product of its digits is 29393280, while the sum is 64.

The spelling of 214953819769 in words is "two hundred fourteen billion, nine hundred fifty-three million, eight hundred nineteen thousand, seven hundred sixty-nine".

Divisors: 1 13 47 611 351806579 4573485527 16534909213 214953819769