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30019242238 = 248463309713
BaseRepresentation
bin11011111101010010…
…010100100011111110
32212111002111111202121
4123331102110203332
5442434411222423
621442440313154
72111622230446
oct337522244376
985432444677
1030019242238
1111805097007
1259994727ba
132aa537163b
14164ac17126
15baa67a45d
hex6fd4948fe

30019242238 has 8 divisors (see below), whose sum is σ = 45029937888. Its totient is φ = 15009262944.

The previous prime is 30019242229. The next prime is 30019242257. The reversal of 30019242238 is 83224291003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57931 + ... + 251782.

It is an arithmetic number, because the mean of its divisors is an integer number (5628742236).

Almost surely, 230019242238 is an apocalyptic number.

30019242238 is a deficient number, since it is larger than the sum of its proper divisors (15010695650).

30019242238 is a wasteful number, since it uses less digits than its factorization.

30019242238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358178.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 30019242238 in words is "thirty billion, nineteen million, two hundred forty-two thousand, two hundred thirty-eight".

Divisors: 1 2 48463 96926 309713 619426 15009621119 30019242238