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19300030221 = 313746958711
BaseRepresentation
bin10001111110010111…
…110001011100001101
31211211001102010020010
4101332113301130031
5304011301431341
612511042343433
71252162356453
oct217627613415
954731363203
1019300030221
1182044003aa
1238a765ab79
131a87679234
14d113589d3
1577e5a2716
hex47e5f170d

19300030221 has 8 divisors (see below), whose sum is σ = 25921209024. Its totient is φ = 12772769120.

The previous prime is 19300030219. The next prime is 19300030223. The reversal of 19300030221 is 12203000391.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19300030219) and next prime (19300030223).

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 19300030221 - 21 = 19300030219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19300030223) 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, 23478945 + ... + 23479766.

It is an arithmetic number, because the mean of its divisors is an integer number (3240151128).

Almost surely, 219300030221 is an apocalyptic number.

It is an amenable number.

19300030221 is a deficient number, since it is larger than the sum of its proper divisors (6621178803).

19300030221 is a wasteful number, since it uses less digits than its factorization.

19300030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46958851.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 19300030221 in words is "nineteen billion, three hundred million, thirty thousand, two hundred twenty-one".

Divisors: 1 3 137 411 46958711 140876133 6433343407 19300030221