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74397980930 = 25713891575851
BaseRepresentation
bin100010101001001110…
…1110001100100000010
321010000220221000112012
41011102131301210002
52204331340342210
654102234532522
75242436255330
oct1052235614402
9233026830465
1074397980930
11296087a2259
1212503897142
137028651630
14385ab66b50
151e0679b305
hex1152771902

74397980930 has 128 divisors (see below), whose sum is σ = 167762327040. Its totient is φ = 23128934400.

The previous prime is 74397980927. The next prime is 74397980981. The reversal of 74397980930 is 3908979347.

It is a self number, because there is not a number n which added to its sum of digits gives 74397980930.

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, 12712505 + ... + 12718355.

It is an arithmetic number, because the mean of its divisors is an integer number (1310643180).

Almost surely, 274397980930 is an apocalyptic number.

74397980930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74397980930 is an abundant number, since it is smaller than the sum of its proper divisors (93364346110).

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

74397980930 is a wasteful number, since it uses less digits than its factorization.

74397980930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 74397980930 in words is "seventy-four billion, three hundred ninety-seven million, nine hundred eighty thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 89 91 130 157 178 182 314 445 455 623 785 890 910 1099 1157 1246 1570 2041 2198 2314 3115 4082 5495 5785 5851 6230 8099 10205 10990 11570 11702 13973 14287 16198 20410 27946 28574 29255 40495 40957 58510 69865 71435 76063 80990 81914 97811 139730 142870 152126 181649 195622 204785 363298 380315 409570 489055 520739 532441 760630 908245 918607 978110 1041478 1064882 1271543 1816490 1837214 2543086 2603695 2662205 3645173 4593035 5207390 5324410 6357715 6430249 6769607 7290346 9186070 11941891 12715430 12860498 13539214 18225865 23883782 32151245 33848035 36451730 47387249 59709455 64302490 67696070 81756023 83593237 94774498 119418910 163512046 167186474 236936245 408780115 417966185 473872490 572292161 817560230 835932370 1062828299 1144584322 2125656598 2861460805 5314141495 5722921610 7439798093 10628282990 14879596186 37198990465 74397980930