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12971599248 = 2432361192617
BaseRepresentation
bin11000001010010101…
…01110010110010000
31020111000100111221210
430011022232112100
5203031212133443
65543054220120
7636306526416
oct140512562620
936430314853
1012971599248
115557147563
1226201b4640
1312b953991a
148b0a952b6
1550dbe1c33
hex3052ae590

12971599248 has 80 divisors (see below), whose sum is σ = 35540332416. Its totient is φ = 4068049920.

The previous prime is 12971599213. The next prime is 12971599337. The reversal of 12971599248 is 84299517921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28965 + ... + 163652.

Almost surely, 212971599248 is an apocalyptic number.

It is an amenable number.

12971599248 is an abundant number, since it is smaller than the sum of its proper divisors (22568733168).

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

12971599248 is a wasteful number, since it uses less digits than its factorization.

12971599248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192712 (or 192706 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 57.

The spelling of 12971599248 in words is "twelve billion, nine hundred seventy-one million, five hundred ninety-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 61 69 92 122 138 183 184 244 276 366 368 488 552 732 976 1104 1403 1464 2806 2928 4209 5612 8418 11224 16836 22448 33672 67344 192617 385234 577851 770468 1155702 1540936 2311404 3081872 4430191 4622808 8860382 9245616 11749637 13290573 17720764 23499274 26581146 35248911 35441528 46998548 53162292 70497822 70883056 93997096 106324584 140995644 187994192 212649168 270241651 281991288 540483302 563982576 810724953 1080966604 1621449906 2161933208 3242899812 4323866416 6485799624 12971599248