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12801670224 = 2437231337521
BaseRepresentation
bin10111110110000100…
…11111110001010000
31020001011121020011020
423323002133301100
5202204211421344
65514144115440
7632144254500
oct137302376120
936034536136
1012801670224
11547a233352
122593305b80
1312902809c5
1489629da00
154edd27719
hex2fb09fc50

12801670224 has 240 divisors, whose sum is σ = 39905588736. Its totient is φ = 3522355200.

The previous prime is 12801670207. The next prime is 12801670241. The reversal of 12801670224 is 42207610821.

It is an interprime number because it is at equal distance from previous prime (12801670207) and next prime (12801670241).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24571084 + ... + 24571604.

Almost surely, 212801670224 is an apocalyptic number.

12801670224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12801670224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19952794368).

12801670224 is an abundant number, since it is smaller than the sum of its proper divisors (27103918512).

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

12801670224 is a wasteful number, since it uses less digits than its factorization.

12801670224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 12801670224 in words is "twelve billion, eight hundred one million, six hundred seventy thousand, two hundred twenty-four".