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9999342080 = 29571342923
BaseRepresentation
bin10010101000000000…
…11101101000000000
3221210212112012121222
421110000131220000
5130434312421310
64332120334212
7502536001550
oct112400355000
927725465558
109999342080
114271405782
121b30914368
13c34819b80
146ac031160
153d7ccd055
hex25401da00

9999342080 has 160 divisors (see below), whose sum is σ = 29508361344. Its totient is φ = 3164553216.

The previous prime is 9999342061. The next prime is 9999342109. The reversal of 9999342080 is 802439999.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211499 + ... + 254421.

Almost surely, 29999342080 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 9999342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14754180672).

9999342080 is an abundant number, since it is smaller than the sum of its proper divisors (19509019264).

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

9999342080 is a wasteful number, since it uses less digits than its factorization.

9999342080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42966 (or 42950 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 9999342080 is about 99996.7103458909. The cubic root of 9999342080 is about 2154.3874408066.

The spelling of 9999342080 in words is "nine billion, nine hundred ninety-nine million, three hundred forty-two thousand, eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 182 208 224 256 260 280 320 364 416 448 455 512 520 560 640 728 832 896 910 1040 1120 1280 1456 1664 1792 1820 2080 2240 2560 2912 3328 3584 3640 4160 4480 5824 6656 7280 8320 8960 11648 14560 16640 17920 23296 29120 33280 42923 46592 58240 85846 116480 171692 214615 232960 300461 343384 429230 557999 600922 686768 858460 1115998 1201844 1373536 1502305 1716920 2231996 2403688 2747072 2789995 3004610 3433840 3905993 4463992 4807376 5494144 5579990 6009220 6867680 7811986 8927984 9614752 10988288 11159980 12018440 13735360 15623972 17855968 19229504 19529965 21976576 22319960 24036880 27470720 31247944 35711936 38459008 39059930 44639920 48073760 54941440 62495888 71423872 76918016 78119860 89279840 96147520 109882880 124991776 142847744 153836032 156239720 178559680 192295040 249983552 285695488 312479440 357119360 384590080 499967104 624958880 714238720 769180160 999934208 1249917760 1428477440 1999868416 2499835520 4999671040 9999342080