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389226076120 = 23579779717981
BaseRepresentation
bin1011010100111111010…
…11101001011111011000
31101012122211112022220001
411222133223221133120
522334113333413440
6454450305342344
740056246026140
oct5523753513730
91335584468801
10389226076120
11140084a77982
12635270379b4
132a91c4cac5b
1414ba5341920
15a1d0b14b9a
hex5a9fae97d8

389226076120 has 128 divisors (see below), whose sum is σ = 1012510316160. Its totient is φ = 131900129280.

The previous prime is 389226076117. The next prime is 389226076139. The reversal of 389226076120 is 21670622983.

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, 21637530 + ... + 21655510.

It is an arithmetic number, because the mean of its divisors is an integer number (7910236845).

Almost surely, 2389226076120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389226076120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506255158080).

389226076120 is an abundant number, since it is smaller than the sum of its proper divisors (623284240040).

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

389226076120 is a wasteful number, since it uses less digits than its factorization.

389226076120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893 (or 18889 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 389226076120 in words is "three hundred eighty-nine billion, two hundred twenty-six million, seventy-six thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 97 140 194 280 388 485 679 776 797 970 1358 1594 1940 2716 3188 3395 3880 3985 5432 5579 6376 6790 7970 11158 13580 15940 17981 22316 27160 27895 31880 35962 44632 55790 71924 77309 89905 111580 125867 143848 154618 179810 223160 251734 309236 359620 386545 503468 541163 618472 629335 719240 773090 1006936 1082326 1258670 1546180 1744157 2164652 2517340 2705815 3092360 3488314 4329304 5034680 5411630 6976628 8720785 10823260 12209099 13953256 14330857 17441570 21646520 24418198 28661714 34883140 48836396 57323428 61045495 69766280 71654285 97672792 100315999 114646856 122090990 143308570 200631998 244181980 286617140 401263996 488363960 501579995 573234280 802527992 1003159990 1390093129 2006319980 2780186258 4012639960 5560372516 6950465645 9730651903 11120745032 13900931290 19461303806 27801862580 38922607612 48653259515 55603725160 77845215224 97306519030 194613038060 389226076120