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20198224416 = 2531712376363
BaseRepresentation
bin10010110011111010…
…000111001000100000
31221010122112010000210
4102303322013020200
5312331221140131
613140130014120
71313350034436
oct226372071040
957118463023
1020198224416
118625409a57
123ab8417340
131b9b78c9a6
14d98764d56
157d3374146
hex4b3e87220

20198224416 has 48 divisors (see below), whose sum is σ = 56139187104. Its totient is φ = 6336697344.

The previous prime is 20198224411. The next prime is 20198224421. The reversal of 20198224416 is 61442289102.

It is an interprime number because it is at equal distance from previous prime (20198224411) and next prime (20198224421).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (20198224411) 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, 6186550 + ... + 6189813.

It is an arithmetic number, because the mean of its divisors is an integer number (1169566398).

Almost surely, 220198224416 is an apocalyptic number.

It is an amenable number.

20198224416 is an abundant number, since it is smaller than the sum of its proper divisors (35940962688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20198224416 is a wasteful number, since it uses less digits than its factorization.

20198224416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376393 (or 12376385 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 20198224416 in words is "twenty billion, one hundred ninety-eight million, two hundred twenty-four thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 12376363 24752726 37129089 49505452 74258178 99010904 148516356 198021808 210398171 297032712 396043616 420796342 594065424 631194513 841592684 1188130848 1262389026 1683185368 2524778052 3366370736 5049556104 6732741472 10099112208 20198224416