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1230968896128 = 27326591621471
BaseRepresentation
bin10001111010011011011…
…101101011101010000000
311100200100100011000222100
4101322123131223222000
5130132011014134003
62341255503310400
7154635361655646
oct21723335535200
94320310130870
101230968896128
1143506193a124
1217a6a0bab400
138c10661970a
1443817505196
15220488eeba3
hex11e9b76ba80

1230968896128 has 96 divisors (see below), whose sum is σ = 3547618588800. Its totient is φ = 409700067840.

The previous prime is 1230968896123. The next prime is 1230968896159. The reversal of 1230968896128 is 8216988690321.

1230968896128 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 9 + 6 + 8 + 8 + 9 + 612 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1230968896123) 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, 51568 + ... + 1569903.

It is an arithmetic number, because the mean of its divisors is an integer number (36954360300).

Almost surely, 21230968896128 is an apocalyptic number.

1230968896128 is a gapful number since it is divisible by the number (18) 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 1230968896128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773809294400).

1230968896128 is an abundant number, since it is smaller than the sum of its proper divisors (2316649692672).

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

1230968896128 is a wasteful number, since it uses less digits than its factorization.

1230968896128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622150 (or 1622135 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 1230968896128 in words is "one trillion, two hundred thirty billion, nine hundred sixty-eight million, eight hundred ninety-six thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 659 1152 1318 1977 2636 3954 5272 5931 7908 10544 11862 15816 21088 23724 31632 42176 47448 63264 84352 94896 126528 189792 253056 379584 759168 1621471 3242942 4864413 6485884 9728826 12971768 14593239 19457652 25943536 29186478 38915304 51887072 58372956 77830608 103774144 116745912 155661216 207548288 233491824 311322432 466983648 622644864 933967296 1068549389 1867934592 2137098778 3205648167 4274197556 6411296334 8548395112 9616944501 12822592668 17096790224 19233889002 25645185336 34193580448 38467778004 51290370672 68387160896 76935556008 102580741344 136774321792 153871112016 205161482688 307742224032 410322965376 615484448064 1230968896128