Search a number
-
+
101122010000020 = 225472153316315797
BaseRepresentation
bin10110111111100001001101…
…011111000010101010010100
3111021001011120202002010221101
4112333201031133002222110
5101223240334030000040
6555022450550555444
730204552450605122
oct2677411537025224
9437034522063841
10101122010000020
112a247670443a29
12b412158668b84
1344569c2b64a69
141ad848d500912
15ba56376c709a
hex5bf84d7c2a94

101122010000020 has 96 divisors (see below), whose sum is σ = 217057507204608. Its totient is φ = 39554789379072.

The previous prime is 101122010000003. The next prime is 101122010000023. The reversal of 101122010000020 is 20000010221101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101122009999961 and 101122010000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122010000023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6401334762 + ... + 6401350558.

It is an arithmetic number, because the mean of its divisors is an integer number (2261015700048).

Almost surely, 2101122010000020 is an apocalyptic number.

101122010000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101122010000020 is an abundant number, since it is smaller than the sum of its proper divisors (115935497204588).

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

101122010000020 is a wasteful number, since it uses less digits than its factorization.

101122010000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21169 (or 21167 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101122010000020 its reverse (20000010221101), we get a palindrome (121122020221121).

The spelling of 101122010000020 in words is "one hundred one trillion, one hundred twenty-two billion, ten million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2153 3163 4306 6326 8612 10765 12652 15797 15815 21530 31594 31630 43060 63188 63260 78985 101191 148661 157970 202382 297322 315940 404764 505955 594644 742459 743305 1011910 1484918 1486610 2023820 2969836 2973220 3712295 6809939 7424590 13619878 14849180 27239756 34010941 34049695 49965911 68021882 68099390 99931822 136043764 136198780 170054705 199863644 249829555 320067133 340109410 499659110 640134266 680218820 999318220 1280268532 1598514227 1600335665 2348397817 3197028454 3200671330 4696795634 6394056908 6401342660 7992571135 9393591268 11741989085 15985142270 23483978170 31970284540 46967956340 107576606383 215153212766 430306425532 537883031915 1075766063830 2151532127660 5056100500001 10112201000002 20224402000004 25280502500005 50561005000010 101122010000020