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119712978966 = 23737449171571
BaseRepresentation
bin110111101111101110…
…0110001100000010110
3102110000000002102122210
41233133130301200112
53430133010311331
6130555000334250
711435412350250
oct1573734614026
9373000072583
10119712978966
1146851945a59
121b24b774386
13b39a8b2039
145b19190cd0
1531a9bac446
hex1bdf731816

119712978966 has 64 divisors (see below), whose sum is σ = 281652595200. Its totient is φ = 33204971520.

The previous prime is 119712978947. The next prime is 119712978977. The reversal of 119712978966 is 669879217911.

It is a junction number, because it is equal to n+sod(n) for n = 119712978897 and 119712978906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611961 + ... + 783531.

It is an arithmetic number, because the mean of its divisors is an integer number (4400821800).

Almost surely, 2119712978966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 119712978966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140826297600).

119712978966 is an abundant number, since it is smaller than the sum of its proper divisors (161939616234).

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

119712978966 is a wasteful number, since it uses less digits than its factorization.

119712978966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172069.

The product of its digits is 20575296, while the sum is 66.

The spelling of 119712978966 in words is "one hundred nineteen billion, seven hundred twelve million, nine hundred seventy-eight thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 449 518 777 898 1347 1554 2694 3143 6286 9429 16613 18858 33226 49839 99678 116291 171571 232582 343142 348873 514713 697746 1029426 1200997 2401994 3602991 6348127 7205982 12696254 19044381 38088762 44436889 77035379 88873778 133310667 154070758 231106137 266621334 462212274 539247653 1078495306 1617742959 2850309023 3235485918 5700618046 8550927069 17101854138 19952163161 39904326322 59856489483 119712978966