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93390456288690 = 23351147996552323
BaseRepresentation
bin10101001111000000101000…
…111110001111010110110010
3110020200001002110202011012000
4111033000220332033112302
544220102123302214230
6530342552222314430
725446144365441601
oct2517005076172662
9406601073664160
1093390456288690
1127836740988710
12a583842a28a16
1340158b3b5a6c2
14190c19d473a38
15abe477bdcb60
hex54f028f8f5b2

93390456288690 has 128 divisors (see below), whose sum is σ = 271737980928000. Its totient is φ = 22635389488320.

The previous prime is 93390456288677. The next prime is 93390456288737. The reversal of 93390456288690 is 9688265409339.

93390456288690 is a `hidden beast` number, since 9 + 3 + 3 + 9 + 0 + 456 + 2 + 8 + 86 + 90 = 666.

It is a super-2 number, since 2×933904562886902 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10976869 + ... + 17529191.

It is an arithmetic number, because the mean of its divisors is an integer number (2122952976000).

Almost surely, 293390456288690 is an apocalyptic number.

93390456288690 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 93390456288690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135868990464000).

93390456288690 is an abundant number, since it is smaller than the sum of its proper divisors (178347524639310).

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

93390456288690 is a wasteful number, since it uses less digits than its factorization.

93390456288690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557149 (or 6557143 counting only the distinct ones).

The product of its (nonzero) digits is 604661760, while the sum is 72.

The spelling of 93390456288690 in words is "ninety-three trillion, three hundred ninety billion, four hundred fifty-six million, two hundred eighty-eight thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 4799 9598 14397 23995 28794 43191 47990 52789 71985 86382 105578 129573 143970 158367 215955 259146 263945 316734 431910 475101 527890 647865 791835 950202 1295730 1425303 1583670 2375505 2850606 4751010 6552323 7126515 13104646 14253030 19656969 32761615 39313938 58970907 65523230 72075553 98284845 117941814 144151106 176912721 196569690 216226659 294854535 353825442 360377765 432453318 589709070 648679977 720755530 884563605 1081133295 1297359954 1769127210 1946039931 2162266590 3243399885 3892079862 6486799770 9730199655 19460399310 31444598077 62889196154 94333794231 157222990385 188667588462 283001382693 314445980770 345890578847 471668971155 566002765386 691781157694 849004148079 943337942310 1037671736541 1415006913465 1698008296158 1729452894235 2075343473082 2830013826930 3113015209623 3458905788470 4245020740395 5188358682705 6226030419246 8490041480790 9339045628869 10376717365410 15565076048115 18678091257738 31130152096230 46695228144345 93390456288690