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2287708128966 = 231352009563933
BaseRepresentation
bin100001010010100110000…
…001111100011011000110
322002200222022110010120110
4201102212001330123012
5244440211240111331
64510543020413450
7324165353151621
oct41224601743306
98080868403513
102287708128966
11802236664487
1230b4589a7286
131379649186c0
147ca23318db8
153e7964b5946
hex214a607c6c6

2287708128966 has 32 divisors (see below), whose sum is σ = 4927474833120. Its totient is φ = 703895410944.

The previous prime is 2287708128941. The next prime is 2287708128973. The reversal of 2287708128966 is 6698218077822.

It is a junction number, because it is equal to n+sod(n) for n = 2287708128897 and 2287708128906.

It is a congruent number.

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, 3774736 + ... + 4338668.

It is an arithmetic number, because the mean of its divisors is an integer number (153983588535).

Almost surely, 22287708128966 is an apocalyptic number.

2287708128966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2287708128966 is an abundant number, since it is smaller than the sum of its proper divisors (2639766704154).

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

2287708128966 is a wasteful number, since it uses less digits than its factorization.

2287708128966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615960.

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 2287708128966 in words is "two trillion, two hundred eighty-seven billion, seven hundred eight million, one hundred twenty-eight thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 13 26 39 78 52009 104018 156027 312054 563933 676117 1127866 1352234 1691799 2028351 3383598 4056702 7331129 14662258 21993387 43986774 29329591397 58659182794 87988774191 175977548382 381284688161 762569376322 1143854064483 2287708128966