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102212100030 = 2353729725657
BaseRepresentation
bin101111100110001010…
…0001101111110111110
3100202211100002200000110
41133030110031332332
53133312244200110
6114542224010450
710245624341505
oct1371424157676
9322740080013
10102212100030
113a39107a647
1217986760a26
13983bbb9781
144d38b6b83c
1529d3546a20
hex17cc50dfbe

102212100030 has 96 divisors (see below), whose sum is σ = 254727287136. Its totient is φ = 26245472256.

The previous prime is 102212099987. The next prime is 102212100037. The reversal of 102212100030 is 30001212201.

It is a junction number, because it is equal to n+sod(n) for n = 102212099979 and 102212100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212100037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3970962 + ... + 3996618.

It is an arithmetic number, because the mean of its divisors is an integer number (2653409241).

Almost surely, 2102212100030 is an apocalyptic number.

102212100030 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 102212100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127363643568).

102212100030 is an abundant number, since it is smaller than the sum of its proper divisors (152515187106).

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

102212100030 is a wasteful number, since it uses less digits than its factorization.

102212100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25838 (or 25801 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102212100030 its reverse (30001212201), we get a palindrome (132213312231).

The spelling of 102212100030 in words is "one hundred two billion, two hundred twelve million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 97 111 185 194 222 291 370 485 555 582 970 1110 1369 1455 2738 2910 3589 4107 6845 7178 8214 10767 13690 17945 20535 21534 25657 35890 41070 51314 53835 76971 107670 128285 132793 153942 256570 265586 384855 398379 663965 769710 796758 949309 1327930 1898618 1991895 2488729 2847927 3983790 4746545 4977458 5695854 7466187 9493090 12443645 14239635 14932374 24887290 28479270 35124433 37330935 70248866 74661870 92082973 105373299 175622165 184165946 210746598 276248919 351244330 460414865 526866495 552497838 920829730 1053732990 1381244595 2762489190 3407070001 6814140002 10221210003 17035350005 20442420006 34070700010 51106050015 102212100030