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9980918372268 = 2232613452280151
BaseRepresentation
bin1001000100111101110100…
…0110000001011110101100
31022100011111100210010111100
42101033131012001132230
52302011410100403033
633121100503323100
72050045314235464
oct221173506013654
938304440703440
109980918372268
1131a897a245748
121152451450490
13575272b0a83c
14267116bc6ba4
1512495eb32513
hex913dd1817ac

9980918372268 has 36 divisors (see below), whose sum is σ = 25270701212848. Its totient is φ = 3321545421600.

The previous prime is 9980918372251. The next prime is 9980918372357. The reversal of 9980918372268 is 8622738190899.

9980918372268 is a `hidden beast` number, since 99 + 80 + 91 + 8 + 372 + 2 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 9980918372196 and 9980918372205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226118008 + ... + 226162143.

Almost surely, 29980918372268 is an apocalyptic number.

It is an amenable number.

9980918372268 is an abundant number, since it is smaller than the sum of its proper divisors (15289782840580).

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

9980918372268 is a wasteful number, since it uses less digits than its factorization.

9980918372268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452280774 (or 452280769 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 9980918372268 in words is "nine trillion, nine hundred eighty billion, nine hundred eighteen million, three hundred seventy-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 613 1226 1839 2452 3678 5517 7356 11034 22068 452280151 904560302 1356840453 1809120604 2713680906 4070521359 5427361812 8141042718 16282085436 277247732563 554495465126 831743197689 1108990930252 1663486395378 2495229593067 3326972790756 4990459186134 9980918372268