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102205314090 = 232511971106321
BaseRepresentation
bin101111100101111101…
…0010101010000101010
3100202210212022220110100
41133023322111100222
53133304030022330
6114541422330230
710245512556435
oct1371372252052
9322725286410
10102205314090
113a388265230
1217984429976
13983a681b19
144d37cc281c
1529d2b56060
hex17cbe9542a

102205314090 has 96 divisors (see below), whose sum is σ = 290192715072. Its totient is φ = 24751296000.

The previous prime is 102205314089. The next prime is 102205314137. The reversal of 102205314090 is 90413502201.

102205314090 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 0 + 531 + 40 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 908130 + ... + 1014450.

It is an arithmetic number, because the mean of its divisors is an integer number (3022840782).

Almost surely, 2102205314090 is an apocalyptic number.

102205314090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102205314090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145096357536).

102205314090 is an abundant number, since it is smaller than the sum of its proper divisors (187987400982).

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

102205314090 is a wasteful number, since it uses less digits than its factorization.

102205314090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107316 (or 107313 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 102205314090 its reverse (90413502201), we get a palindrome (192618816291).

The spelling of 102205314090 in words is "one hundred two billion, two hundred five million, three hundred fourteen thousand, ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 971 990 1942 2913 4855 5826 8739 9710 10681 14565 17478 21362 29130 32043 43695 53405 64086 87390 96129 106321 106810 160215 192258 212642 318963 320430 480645 531605 637926 956889 961290 1063210 1169531 1594815 1913778 2339062 3189630 3508593 4784445 5847655 7017186 9568890 10525779 11695310 17542965 21051558 35085930 52628895 103237691 105257790 206475382 309713073 516188455 619426146 929139219 1032376910 1135614601 1548565365 1858278438 2271229202 3097130730 3406843803 4645696095 5678073005 6813687606 9291392190 10220531409 11356146010 17034219015 20441062818 34068438030 51102657045 102205314090