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16242521092990 = 25194761199149837
BaseRepresentation
bin1110110001011100000110…
…1100110011001101111110
32010111202210012222211010221
43230113001230303031332
54112104140344433430
654313413340451554
73264324546212563
oct354270154631576
963452705884127
1016242521092990
1151a2461796135
1219a3aab549bba
1390a880c92c2a
144021dc34c86a
151d278a32c57a
hexec5c1b3337e

16242521092990 has 128 divisors (see below), whose sum is σ = 32106087936000. Its totient is φ = 5895531164160.

The previous prime is 16242521092913. The next prime is 16242521092997. The reversal of 16242521092990 is 9929012524261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242521092997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108326352 + ... + 108476188.

It is an arithmetic number, because the mean of its divisors is an integer number (250828812000).

Almost surely, 216242521092990 is an apocalyptic number.

16242521092990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16242521092990 is a deficient number, since it is larger than the sum of its proper divisors (15863566843010).

16242521092990 is a wasteful number, since it uses less digits than its factorization.

16242521092990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150170.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 16242521092990 in words is "sixteen trillion, two hundred forty-two billion, five hundred twenty-one million, ninety-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 47 61 94 95 122 190 199 235 305 398 470 610 893 995 1159 1786 1990 2318 2867 3781 4465 5734 5795 7562 8930 9353 11590 12139 14335 18706 18905 24278 28670 37810 46765 54473 60695 93530 108946 121390 149837 177707 230641 272365 299674 355414 461282 544730 570533 749185 888535 1141066 1153205 1498370 1777070 2306410 2846903 2852665 5693806 5705330 7042339 9140057 10840127 14084678 14234515 18280114 21680254 28469030 29817563 35211695 45700285 54200635 59635126 70423390 91400570 108401270 133804441 149087815 173661083 267608882 298175630 347322166 429582679 566533697 669022205 859165358 868305415 1133067394 1338044410 1401425461 1736610830 1818871343 2147913395 2802850922 2832668485 3637742686 4295826790 5665336970 7007127305 8162070901 9094356715 14014254610 16324141802 18188713430 26627083759 34558555517 40810354505 53254167518 69117111034 81620709010 85486953121 133135418795 170973906242 172792777585 266270837590 345585555170 427434765605 854869531210 1624252109299 3248504218598 8121260546495 16242521092990