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94181242820 = 2257296103309
BaseRepresentation
bin101011110110110100…
…0111011011111000100
3100000002122121211222112
41113231220323133010
53020340344232240
6111133302520152
76542620232600
oct1275550733704
9300078554875
1094181242820
1136a3a946775
1216305136058
138b5c161462
1447b6350500
1526b34a3665
hex15eda3b7c4

94181242820 has 36 divisors (see below), whose sum is σ = 230071324140. Its totient is φ = 32290711488.

The previous prime is 94181242801. The next prime is 94181242829. The reversal of 94181242820 is 2824218149.

It can be written as a sum of positive squares in 2 ways, for example, as 35031111556 + 59150131264 = 187166^2 + 243208^2 .

It is not an unprimeable number, because it can be changed into a prime (94181242829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48050675 + ... + 48052634.

It is an arithmetic number, because the mean of its divisors is an integer number (6390870115).

Almost surely, 294181242820 is an apocalyptic number.

It is an amenable number.

94181242820 is an abundant number, since it is smaller than the sum of its proper divisors (135890081320).

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

94181242820 is a wasteful number, since it uses less digits than its factorization.

94181242820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96103332 (or 96103323 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 94181242820 in words is "ninety-four billion, one hundred eighty-one million, two hundred forty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 96103309 192206618 384413236 480516545 672723163 961033090 1345446326 1922066180 2690892652 3363615815 4709062141 6727231630 9418124282 13454463260 18836248564 23545310705 47090621410 94181242820